64765984

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2879}}^1$

素因数の和:2945

約数の個数: 48

約数和(自身を含む): 137894400

約数和(自身を除く): 73128416

約数列:

[1, 2, 4, 8, 16, 19, 32, 37, 38, 74, 76, 148, 152, 296, 304, 592, 608, 703, 1184, 1406, 2812, 2879, 5624, 5758, 11248, 11516, 22496, 23032, 46064, 54701, 92128, 106523, 109402, 213046, 218804, 426092, 437608, 852184, 875216, 1704368, 1750432, 2023937, 3408736, 4047874, 8095748, 16191496, 32382992, 64765984]

約数ペア:

[(1, 64765984), (2, 32382992), (4, 16191496), (8, 8095748), (16, 4047874), (19, 3408736), (32, 2023937), (37, 1750432), (38, 1704368), (74, 875216), (76, 852184), (148, 437608), (152, 426092), (296, 218804), (304, 213046), (592, 109402), (608, 106523), (703, 92128), (1184, 54701), (1406, 46064), (2812, 23032), (2879, 22496), (5624, 11516), (5758, 11248)]