31407890

素因数分解:

$2^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{10099}}^1$

素因数の和:10417

約数の個数: 16

約数和(自身を含む): 56721600

約数和(自身を除く): 25313710

約数列:

[1, 2, 5, 10, 311, 622, 1555, 3110, 10099, 20198, 50495, 100990, 3140789, 6281578, 15703945, 31407890]

約数ペア:

[(1, 31407890), (2, 15703945), (5, 6281578), (10, 3140789), (311, 100990), (622, 50495), (1555, 20198), (3110, 10099)]