64904912

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{661}}^1$

素因数の和:724

約数の個数: 60

約数和(自身を含む): 140739876

約数和(自身を除く): 75834964

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 361, 646, 661, 722, 1292, 1322, 1444, 2584, 2644, 2888, 5168, 5288, 5776, 6137, 10576, 11237, 12274, 12559, 22474, 24548, 25118, 44948, 49096, 50236, 89896, 98192, 100472, 179792, 200944, 213503, 238621, 427006, 477242, 854012, 954484, 1708024, 1908968, 3416048, 3817936, 4056557, 8113114, 16226228, 32452456, 64904912]

約数ペア:

[(1, 64904912), (2, 32452456), (4, 16226228), (8, 8113114), (16, 4056557), (17, 3817936), (19, 3416048), (34, 1908968), (38, 1708024), (68, 954484), (76, 854012), (136, 477242), (152, 427006), (272, 238621), (304, 213503), (323, 200944), (361, 179792), (646, 100472), (661, 98192), (722, 89896), (1292, 50236), (1322, 49096), (1444, 44948), (2584, 25118), (2644, 24548), (2888, 22474), (5168, 12559), (5288, 12274), (5776, 11237), (6137, 10576)]