25808216

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6491}}^1$

素因数の和:6575

約数の個数: 32

約数和(自身を含む): 56090880

約数和(自身を除く): 30282664

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 6491, 12982, 25964, 45437, 51928, 90874, 181748, 363496, 460861, 921722, 1843444, 3226027, 3686888, 6452054, 12904108, 25808216]

約数ペア:

[(1, 25808216), (2, 12904108), (4, 6452054), (7, 3686888), (8, 3226027), (14, 1843444), (28, 921722), (56, 460861), (71, 363496), (142, 181748), (284, 90874), (497, 51928), (568, 45437), (994, 25964), (1988, 12982), (3976, 6491)]