131232784

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{221677}}^1$

素因数の和:221722

約数の個数: 20

約数和(自身を含む): 261136684

約数和(自身を除く): 129903900

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 221677, 443354, 886708, 1773416, 3546832, 8202049, 16404098, 32808196, 65616392, 131232784]

約数ペア:

[(1, 131232784), (2, 65616392), (4, 32808196), (8, 16404098), (16, 8202049), (37, 3546832), (74, 1773416), (148, 886708), (296, 443354), (592, 221677)]