131611664

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{222317}}^1$

素因数の和:222362

約数の個数: 20

約数和(自身を含む): 261890604

約数和(自身を除く): 130278940

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 222317, 444634, 889268, 1778536, 3557072, 8225729, 16451458, 32902916, 65805832, 131611664]

約数ペア:

[(1, 131611664), (2, 65805832), (4, 32902916), (8, 16451458), (16, 8225729), (37, 3557072), (74, 1778536), (148, 889268), (296, 444634), (592, 222317)]