258990368

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:231

約数の個数: 192

約数和(自身を含む): 686407680

約数和(自身を除く): 427417312

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 31, 32, 38, 52, 56, 62, 76, 91, 104, 112, 124, 133, 151, 152, 182, 208, 217, 224, 247, 248, 266, 302, 304, 364, 403, 416, 434, 494, 496, 532, 589, 604, 608, 728, 806, 868, 988, 992, 1057, 1064, 1178, 1208, 1456, 1612, 1729, 1736, 1963, 1976, 2114, 2128, 2356, 2416, 2821, 2869, 2912, 3224, 3458, 3472, 3926, 3952, 4123, 4228, 4256, 4681, 4712, 4832, 5642, 5738, 6448, 6916, 6944, 7657, 7852, 7904, 8246, 8456, 9362, 9424, 11284, 11476, 12896, 13741, 13832, 15314, 15704, 16492, 16912, 18724, 18848, 20083, 22568, 22952, 27482, 27664, 30628, 31408, 32767, 32984, 33824, 37297, 37448, 40166, 45136, 45904, 53599, 54964, 55328, 60853, 61256, 62816, 65534, 65968, 74594, 74896, 80332, 88939, 90272, 91808, 107198, 109928, 121706, 122512, 131068, 131936, 149188, 149792, 160664, 177878, 214396, 219856, 243412, 245024, 261079, 262136, 298376, 321328, 355756, 425971, 428792, 439712, 486824, 522158, 524272, 596752, 622573, 642656, 711512, 851942, 857584, 973648, 1044316, 1048544, 1156207, 1193504, 1245146, 1423024, 1703884, 1715168, 1947296, 2088632, 2312414, 2490292, 2846048, 3407768, 4177264, 4624828, 4980584, 6815536, 8093449, 8354528, 9249656, 9961168, 13631072, 16186898, 18499312, 19922336, 32373796, 36998624, 64747592, 129495184, 258990368]

約数ペア:

[(1, 258990368), (2, 129495184), (4, 64747592), (7, 36998624), (8, 32373796), (13, 19922336), (14, 18499312), (16, 16186898), (19, 13631072), (26, 9961168), (28, 9249656), (31, 8354528), (32, 8093449), (38, 6815536), (52, 4980584), (56, 4624828), (62, 4177264), (76, 3407768), (91, 2846048), (104, 2490292), (112, 2312414), (124, 2088632), (133, 1947296), (151, 1715168), (152, 1703884), (182, 1423024), (208, 1245146), (217, 1193504), (224, 1156207), (247, 1048544), (248, 1044316), (266, 973648), (302, 857584), (304, 851942), (364, 711512), (403, 642656), (416, 622573), (434, 596752), (494, 524272), (496, 522158), (532, 486824), (589, 439712), (604, 428792), (608, 425971), (728, 355756), (806, 321328), (868, 298376), (988, 262136), (992, 261079), (1057, 245024), (1064, 243412), (1178, 219856), (1208, 214396), (1456, 177878), (1612, 160664), (1729, 149792), (1736, 149188), (1963, 131936), (1976, 131068), (2114, 122512), (2128, 121706), (2356, 109928), (2416, 107198), (2821, 91808), (2869, 90272), (2912, 88939), (3224, 80332), (3458, 74896), (3472, 74594), (3926, 65968), (3952, 65534), (4123, 62816), (4228, 61256), (4256, 60853), (4681, 55328), (4712, 54964), (4832, 53599), (5642, 45904), (5738, 45136), (6448, 40166), (6916, 37448), (6944, 37297), (7657, 33824), (7852, 32984), (7904, 32767), (8246, 31408), (8456, 30628), (9362, 27664), (9424, 27482), (11284, 22952), (11476, 22568), (12896, 20083), (13741, 18848), (13832, 18724), (15314, 16912), (15704, 16492)]