31391416

素因数分解:

$2^3\times 7^1\times {\mathrm{560561}}^1$

素因数の和:560574

約数の個数: 16

約数和(自身を含む): 67267440

約数和(自身を除く): 35876024

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 560561, 1121122, 2242244, 3923927, 4484488, 7847854, 15695708, 31391416]

約数ペア:

[(1, 31391416), (2, 15695708), (4, 7847854), (7, 4484488), (8, 3923927), (14, 2242244), (28, 1121122), (56, 560561)]