31373690

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{22571}}^1$

素因数の和:22717

約数の個数: 16

約数和(自身を含む): 56881440

約数和(自身を除く): 25507750

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 22571, 45142, 112855, 225710, 3137369, 6274738, 15686845, 31373690]

約数ペア:

[(1, 31373690), (2, 15686845), (5, 6274738), (10, 3137369), (139, 225710), (278, 112855), (695, 45142), (1390, 22571)]