81627896

素因数分解:

$2^3\times 7^1\times {\mathrm{313}}^1\times {\mathrm{4657}}^1$

素因数の和:4983

約数の個数: 32

約数和(自身を含む): 175513440

約数和(自身を除く): 93885544

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 313, 626, 1252, 2191, 2504, 4382, 4657, 8764, 9314, 17528, 18628, 32599, 37256, 65198, 130396, 260792, 1457641, 2915282, 5830564, 10203487, 11661128, 20406974, 40813948, 81627896]

約数ペア:

[(1, 81627896), (2, 40813948), (4, 20406974), (7, 11661128), (8, 10203487), (14, 5830564), (28, 2915282), (56, 1457641), (313, 260792), (626, 130396), (1252, 65198), (2191, 37256), (2504, 32599), (4382, 18628), (4657, 17528), (8764, 9314)]