397211256

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:255

約数の個数: 256

約数和(自身を含む): 1290038400

約数和(自身を除く): 892827144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 17, 18, 24, 26, 27, 34, 36, 39, 51, 52, 53, 54, 68, 72, 78, 102, 104, 106, 108, 117, 136, 153, 156, 157, 159, 204, 212, 216, 221, 234, 306, 312, 314, 318, 351, 408, 424, 442, 459, 468, 471, 477, 612, 628, 636, 663, 689, 702, 884, 901, 918, 936, 942, 954, 1224, 1256, 1272, 1326, 1378, 1404, 1413, 1431, 1768, 1802, 1836, 1884, 1908, 1989, 2041, 2067, 2652, 2669, 2703, 2756, 2808, 2826, 2862, 3604, 3672, 3768, 3816, 3978, 4082, 4134, 4239, 5304, 5338, 5406, 5512, 5652, 5724, 5967, 6123, 6201, 7208, 7956, 8007, 8109, 8164, 8268, 8321, 8478, 10676, 10812, 11304, 11448, 11713, 11934, 12246, 12402, 15912, 16014, 16218, 16328, 16536, 16642, 16956, 18369, 18603, 21352, 21624, 23426, 23868, 24021, 24327, 24492, 24804, 24963, 32028, 32436, 33284, 33912, 34697, 35139, 36738, 37206, 46852, 47736, 48042, 48654, 48984, 49608, 49926, 55107, 64056, 64872, 66568, 69394, 70278, 72063, 73476, 74412, 74889, 93704, 96084, 97308, 99852, 104091, 105417, 108173, 110214, 138788, 140556, 141457, 144126, 146952, 148824, 149778, 192168, 194616, 199704, 208182, 210834, 216346, 220428, 224667, 277576, 281112, 282914, 288252, 299556, 312273, 316251, 324519, 416364, 421668, 424371, 432692, 440856, 449334, 565828, 576504, 599112, 624546, 632502, 649038, 832728, 843336, 848742, 865384, 898668, 936819, 973557, 1131656, 1249092, 1265004, 1273113, 1298076, 1697484, 1797336, 1838941, 1873638, 1947114, 2498184, 2530008, 2546226, 2596152, 2920671, 3394968, 3677882, 3747276, 3819339, 3894228, 5092452, 5516823, 5841342, 7355764, 7494552, 7638678, 7788456, 10184904, 11033646, 11682684, 14711528, 15277356, 16550469, 22067292, 23365368, 30554712, 33100938, 44134584, 49651407, 66201876, 99302814, 132403752, 198605628, 397211256]

約数ペア:

[(1, 397211256), (2, 198605628), (3, 132403752), (4, 99302814), (6, 66201876), (8, 49651407), (9, 44134584), (12, 33100938), (13, 30554712), (17, 23365368), (18, 22067292), (24, 16550469), (26, 15277356), (27, 14711528), (34, 11682684), (36, 11033646), (39, 10184904), (51, 7788456), (52, 7638678), (53, 7494552), (54, 7355764), (68, 5841342), (72, 5516823), (78, 5092452), (102, 3894228), (104, 3819339), (106, 3747276), (108, 3677882), (117, 3394968), (136, 2920671), (153, 2596152), (156, 2546226), (157, 2530008), (159, 2498184), (204, 1947114), (212, 1873638), (216, 1838941), (221, 1797336), (234, 1697484), (306, 1298076), (312, 1273113), (314, 1265004), (318, 1249092), (351, 1131656), (408, 973557), (424, 936819), (442, 898668), (459, 865384), (468, 848742), (471, 843336), (477, 832728), (612, 649038), (628, 632502), (636, 624546), (663, 599112), (689, 576504), (702, 565828), (884, 449334), (901, 440856), (918, 432692), (936, 424371), (942, 421668), (954, 416364), (1224, 324519), (1256, 316251), (1272, 312273), (1326, 299556), (1378, 288252), (1404, 282914), (1413, 281112), (1431, 277576), (1768, 224667), (1802, 220428), (1836, 216346), (1884, 210834), (1908, 208182), (1989, 199704), (2041, 194616), (2067, 192168), (2652, 149778), (2669, 148824), (2703, 146952), (2756, 144126), (2808, 141457), (2826, 140556), (2862, 138788), (3604, 110214), (3672, 108173), (3768, 105417), (3816, 104091), (3978, 99852), (4082, 97308), (4134, 96084), (4239, 93704), (5304, 74889), (5338, 74412), (5406, 73476), (5512, 72063), (5652, 70278), (5724, 69394), (5967, 66568), (6123, 64872), (6201, 64056), (7208, 55107), (7956, 49926), (8007, 49608), (8109, 48984), (8164, 48654), (8268, 48042), (8321, 47736), (8478, 46852), (10676, 37206), (10812, 36738), (11304, 35139), (11448, 34697), (11713, 33912), (11934, 33284), (12246, 32436), (12402, 32028), (15912, 24963), (16014, 24804), (16218, 24492), (16328, 24327), (16536, 24021), (16642, 23868), (16956, 23426), (18369, 21624), (18603, 21352)]