68685964

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{241}}^1\times {\mathrm{1657}}^1$

素因数の和:1945

約数の個数: 24

約数和(自身を含む): 123580688

約数和(自身を除く): 54894724

約数列:

[1, 2, 4, 43, 86, 172, 241, 482, 964, 1657, 3314, 6628, 10363, 20726, 41452, 71251, 142502, 285004, 399337, 798674, 1597348, 17171491, 34342982, 68685964]

約数ペア:

[(1, 68685964), (2, 34342982), (4, 17171491), (43, 1597348), (86, 798674), (172, 399337), (241, 285004), (482, 142502), (964, 71251), (1657, 41452), (3314, 20726), (6628, 10363)]