31132618

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{239}}^1$

素因数の和:474

約数の個数: 32

約数和(自身を含む): 53084160

約数和(自身を除く): 21951542

約数列:

[1, 2, 11, 22, 31, 62, 191, 239, 341, 382, 478, 682, 2101, 2629, 4202, 5258, 5921, 7409, 11842, 14818, 45649, 65131, 81499, 91298, 130262, 162998, 502139, 1004278, 1415119, 2830238, 15566309, 31132618]

約数ペア:

[(1, 31132618), (2, 15566309), (11, 2830238), (22, 1415119), (31, 1004278), (62, 502139), (191, 162998), (239, 130262), (341, 91298), (382, 81499), (478, 65131), (682, 45649), (2101, 14818), (2629, 11842), (4202, 7409), (5258, 5921)]