81307792

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{163927}}^1$

素因数の和:163966

約数の個数: 20

約数和(自身を含む): 162616576

約数和(自身を除く): 81308784

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 163927, 327854, 655708, 1311416, 2622832, 5081737, 10163474, 20326948, 40653896, 81307792]

約数ペア:

[(1, 81307792), (2, 40653896), (4, 20326948), (8, 10163474), (16, 5081737), (31, 2622832), (62, 1311416), (124, 655708), (248, 327854), (496, 163927)]