257631192

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:312

約数の個数: 320

約数和(自身を含む): 944032320

約数和(自身を除く): 686401128

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 17, 18, 21, 24, 26, 27, 28, 34, 36, 39, 42, 51, 52, 54, 56, 63, 68, 72, 78, 81, 84, 91, 102, 104, 108, 117, 119, 126, 136, 153, 156, 162, 168, 182, 189, 204, 216, 221, 234, 238, 252, 257, 273, 306, 312, 324, 351, 357, 364, 378, 408, 442, 459, 468, 476, 504, 514, 546, 567, 612, 648, 663, 702, 714, 728, 756, 771, 819, 884, 918, 936, 952, 1028, 1053, 1071, 1092, 1134, 1224, 1326, 1377, 1404, 1428, 1512, 1542, 1547, 1638, 1768, 1799, 1836, 1989, 2056, 2106, 2142, 2184, 2268, 2313, 2457, 2652, 2754, 2808, 2856, 3084, 3094, 3213, 3276, 3341, 3598, 3672, 3978, 4212, 4284, 4369, 4536, 4626, 4641, 4914, 5304, 5397, 5508, 5967, 6168, 6188, 6426, 6552, 6682, 6939, 7196, 7371, 7956, 8424, 8568, 8738, 9252, 9282, 9639, 9828, 10023, 10794, 11016, 11934, 12376, 12852, 13107, 13364, 13878, 13923, 14392, 14742, 15912, 16191, 17476, 17901, 18504, 18564, 19278, 19656, 20046, 20817, 21588, 23387, 23868, 25704, 26214, 26728, 27756, 27846, 29484, 30069, 30583, 32382, 34952, 35802, 37128, 38556, 39321, 40092, 41634, 41769, 43176, 46774, 47736, 48573, 52428, 55512, 55692, 56797, 58968, 60138, 61166, 64764, 70161, 71604, 77112, 78642, 80184, 83268, 83538, 90207, 91749, 93548, 97146, 104856, 111384, 113594, 117963, 120276, 122332, 125307, 129528, 140322, 143208, 145719, 157284, 166536, 167076, 170391, 180414, 183498, 187096, 194292, 210483, 227188, 235926, 240552, 244664, 250614, 270621, 275247, 280644, 291438, 314568, 334152, 340782, 353889, 360828, 366996, 388584, 397579, 420966, 454376, 471852, 501228, 511173, 541242, 550494, 561288, 582876, 631449, 681564, 707778, 721656, 733992, 795158, 825741, 841932, 943704, 1002456, 1022346, 1082484, 1100988, 1165752, 1192737, 1262898, 1363128, 1415556, 1533519, 1590316, 1651482, 1683864, 1894347, 2044692, 2164968, 2201976, 2385474, 2477223, 2525796, 2831112, 3067038, 3180632, 3302964, 3578211, 3788694, 4089384, 4600557, 4770948, 4954446, 5051592, 6134076, 6605928, 7156422, 7577388, 9201114, 9541896, 9908892, 10734633, 12268152, 14312844, 15154776, 18402228, 19817784, 21469266, 28625688, 32203899, 36804456, 42938532, 64407798, 85877064, 128815596, 257631192]

約数ペア:

[(1, 257631192), (2, 128815596), (3, 85877064), (4, 64407798), (6, 42938532), (7, 36804456), (8, 32203899), (9, 28625688), (12, 21469266), (13, 19817784), (14, 18402228), (17, 15154776), (18, 14312844), (21, 12268152), (24, 10734633), (26, 9908892), (27, 9541896), (28, 9201114), (34, 7577388), (36, 7156422), (39, 6605928), (42, 6134076), (51, 5051592), (52, 4954446), (54, 4770948), (56, 4600557), (63, 4089384), (68, 3788694), (72, 3578211), (78, 3302964), (81, 3180632), (84, 3067038), (91, 2831112), (102, 2525796), (104, 2477223), (108, 2385474), (117, 2201976), (119, 2164968), (126, 2044692), (136, 1894347), (153, 1683864), (156, 1651482), (162, 1590316), (168, 1533519), (182, 1415556), (189, 1363128), (204, 1262898), (216, 1192737), (221, 1165752), (234, 1100988), (238, 1082484), (252, 1022346), (257, 1002456), (273, 943704), (306, 841932), (312, 825741), (324, 795158), (351, 733992), (357, 721656), (364, 707778), (378, 681564), (408, 631449), (442, 582876), (459, 561288), (468, 550494), (476, 541242), (504, 511173), (514, 501228), (546, 471852), (567, 454376), (612, 420966), (648, 397579), (663, 388584), (702, 366996), (714, 360828), (728, 353889), (756, 340782), (771, 334152), (819, 314568), (884, 291438), (918, 280644), (936, 275247), (952, 270621), (1028, 250614), (1053, 244664), (1071, 240552), (1092, 235926), (1134, 227188), (1224, 210483), (1326, 194292), (1377, 187096), (1404, 183498), (1428, 180414), (1512, 170391), (1542, 167076), (1547, 166536), (1638, 157284), (1768, 145719), (1799, 143208), (1836, 140322), (1989, 129528), (2056, 125307), (2106, 122332), (2142, 120276), (2184, 117963), (2268, 113594), (2313, 111384), (2457, 104856), (2652, 97146), (2754, 93548), (2808, 91749), (2856, 90207), (3084, 83538), (3094, 83268), (3213, 80184), (3276, 78642), (3341, 77112), (3598, 71604), (3672, 70161), (3978, 64764), (4212, 61166), (4284, 60138), (4369, 58968), (4536, 56797), (4626, 55692), (4641, 55512), (4914, 52428), (5304, 48573), (5397, 47736), (5508, 46774), (5967, 43176), (6168, 41769), (6188, 41634), (6426, 40092), (6552, 39321), (6682, 38556), (6939, 37128), (7196, 35802), (7371, 34952), (7956, 32382), (8424, 30583), (8568, 30069), (8738, 29484), (9252, 27846), (9282, 27756), (9639, 26728), (9828, 26214), (10023, 25704), (10794, 23868), (11016, 23387), (11934, 21588), (12376, 20817), (12852, 20046), (13107, 19656), (13364, 19278), (13878, 18564), (13923, 18504), (14392, 17901), (14742, 17476), (15912, 16191)]