256508749744

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3391}}^1\times {\mathrm{9829}}^1$

素因数の和:13278

約数の個数: 80

約数和(自身を含む): 549898693120

約数和(自身を除く): 293389943376

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 148, 208, 296, 481, 592, 962, 1924, 3391, 3848, 6782, 7696, 9829, 13564, 19658, 27128, 39316, 44083, 54256, 78632, 88166, 125467, 127777, 157264, 176332, 250934, 255554, 352664, 363673, 501868, 511108, 705328, 727346, 1003736, 1022216, 1454692, 1631071, 2007472, 2044432, 2909384, 3262142, 4727749, 5818768, 6524284, 9455498, 13048568, 18910996, 26097136, 33330139, 37821992, 66660278, 75643984, 133320556, 266641112, 433291807, 533282224, 866583614, 1233215143, 1733167228, 2466430286, 3466334456, 4932860572, 6932668912, 9865721144, 16031796859, 19731442288, 32063593718, 64127187436, 128254374872, 256508749744]

約数ペア:

[(1, 256508749744), (2, 128254374872), (4, 64127187436), (8, 32063593718), (13, 19731442288), (16, 16031796859), (26, 9865721144), (37, 6932668912), (52, 4932860572), (74, 3466334456), (104, 2466430286), (148, 1733167228), (208, 1233215143), (296, 866583614), (481, 533282224), (592, 433291807), (962, 266641112), (1924, 133320556), (3391, 75643984), (3848, 66660278), (6782, 37821992), (7696, 33330139), (9829, 26097136), (13564, 18910996), (19658, 13048568), (27128, 9455498), (39316, 6524284), (44083, 5818768), (54256, 4727749), (78632, 3262142), (88166, 2909384), (125467, 2044432), (127777, 2007472), (157264, 1631071), (176332, 1454692), (250934, 1022216), (255554, 1003736), (352664, 727346), (363673, 705328), (501868, 511108)]