64257856

素因数分解:

$2^6\times {\mathrm{13}}^3\times {\mathrm{457}}^1$

素因数の和:508

約数の個数: 56

約数和(自身を含む): 138435080

約数和(自身を除く): 74177224

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 169, 208, 338, 416, 457, 676, 832, 914, 1352, 1828, 2197, 2704, 3656, 4394, 5408, 5941, 7312, 8788, 10816, 11882, 14624, 17576, 23764, 29248, 35152, 47528, 70304, 77233, 95056, 140608, 154466, 190112, 308932, 380224, 617864, 1004029, 1235728, 2008058, 2471456, 4016116, 4942912, 8032232, 16064464, 32128928, 64257856]

約数ペア:

[(1, 64257856), (2, 32128928), (4, 16064464), (8, 8032232), (13, 4942912), (16, 4016116), (26, 2471456), (32, 2008058), (52, 1235728), (64, 1004029), (104, 617864), (169, 380224), (208, 308932), (338, 190112), (416, 154466), (457, 140608), (676, 95056), (832, 77233), (914, 70304), (1352, 47528), (1828, 35152), (2197, 29248), (2704, 23764), (3656, 17576), (4394, 14624), (5408, 11882), (5941, 10816), (7312, 8788)]