15731216

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{26573}}^1$

素因数の和:26618

約数の個数: 20

約数和(自身を含む): 31304172

約数和(自身を除く): 15572956

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 26573, 53146, 106292, 212584, 425168, 983201, 1966402, 3932804, 7865608, 15731216]

約数ペア:

[(1, 15731216), (2, 7865608), (4, 3932804), (8, 1966402), (16, 983201), (37, 425168), (74, 212584), (148, 106292), (296, 53146), (592, 26573)]