256710976

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1973}}^1$

素因数の和:2111

約数の個数: 56

約数和(自身を含む): 541507680

約数和(自身を除く): 284796704

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 107, 152, 214, 304, 428, 608, 856, 1216, 1712, 1973, 2033, 3424, 3946, 4066, 6848, 7892, 8132, 15784, 16264, 31568, 32528, 37487, 63136, 65056, 74974, 126272, 130112, 149948, 211111, 299896, 422222, 599792, 844444, 1199584, 1688888, 2399168, 3377776, 4011109, 6755552, 8022218, 13511104, 16044436, 32088872, 64177744, 128355488, 256710976]

約数ペア:

[(1, 256710976), (2, 128355488), (4, 64177744), (8, 32088872), (16, 16044436), (19, 13511104), (32, 8022218), (38, 6755552), (64, 4011109), (76, 3377776), (107, 2399168), (152, 1688888), (214, 1199584), (304, 844444), (428, 599792), (608, 422222), (856, 299896), (1216, 211111), (1712, 149948), (1973, 130112), (2033, 126272), (3424, 74974), (3946, 65056), (4066, 63136), (6848, 37487), (7892, 32528), (8132, 31568), (15784, 16264)]