31390114

素因数分解:

$2^1\times 7^1\times {\mathrm{821}}^1\times {\mathrm{2731}}^1$

素因数の和:3561

約数の個数: 16

約数和(自身を含む): 53896896

約数和(自身を除く): 22506782

約数列:

[1, 2, 7, 14, 821, 1642, 2731, 5462, 5747, 11494, 19117, 38234, 2242151, 4484302, 15695057, 31390114]

約数ペア:

[(1, 31390114), (2, 15695057), (7, 4484302), (14, 2242151), (821, 38234), (1642, 19117), (2731, 11494), (5462, 5747)]