64742912

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:239

約数の個数: 80

約数和(自身を含む): 142303392

約数和(自身を除く): 77560480

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 71, 104, 128, 137, 142, 208, 256, 274, 284, 416, 512, 548, 568, 832, 923, 1096, 1136, 1664, 1781, 1846, 2192, 2272, 3328, 3562, 3692, 4384, 4544, 6656, 7124, 7384, 8768, 9088, 9727, 14248, 14768, 17536, 18176, 19454, 28496, 29536, 35072, 36352, 38908, 56992, 59072, 70144, 77816, 113984, 118144, 126451, 155632, 227968, 236288, 252902, 311264, 455936, 472576, 505804, 622528, 911872, 1011608, 1245056, 2023216, 2490112, 4046432, 4980224, 8092864, 16185728, 32371456, 64742912]

約数ペア:

[(1, 64742912), (2, 32371456), (4, 16185728), (8, 8092864), (13, 4980224), (16, 4046432), (26, 2490112), (32, 2023216), (52, 1245056), (64, 1011608), (71, 911872), (104, 622528), (128, 505804), (137, 472576), (142, 455936), (208, 311264), (256, 252902), (274, 236288), (284, 227968), (416, 155632), (512, 126451), (548, 118144), (568, 113984), (832, 77816), (923, 70144), (1096, 59072), (1136, 56992), (1664, 38908), (1781, 36352), (1846, 35072), (2192, 29536), (2272, 28496), (3328, 19454), (3562, 18176), (3692, 17536), (4384, 14768), (4544, 14248), (6656, 9727), (7124, 9088), (7384, 8768)]