313331390

素因数分解:

$2^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{131101}}^1$

素因数の和:131347

約数の個数: 16

約数和(自身を含む): 566360640

約数和(自身を除く): 253029250

約数列:

[1, 2, 5, 10, 239, 478, 1195, 2390, 131101, 262202, 655505, 1311010, 31333139, 62666278, 156665695, 313331390]

約数ペア:

[(1, 313331390), (2, 156665695), (5, 62666278), (10, 31333139), (239, 1311010), (478, 655505), (1195, 262202), (2390, 131101)]