685492048

素因数分解:

$2^4\times {\mathrm{10639}}^1\times {\mathrm{4027}}^1$

素因数の和:14674

約数の個数: 20

約数和(自身を含む): 1328595520

約数和(自身を除く): 643103472

約数列:

[1, 2, 4, 8, 16, 4027, 8054, 10639, 16108, 21278, 32216, 42556, 64432, 85112, 170224, 42843253, 85686506, 171373012, 342746024, 685492048]

約数ペア:

[(1, 685492048), (2, 342746024), (4, 171373012), (8, 85686506), (16, 42843253), (4027, 170224), (8054, 85112), (10639, 64432), (16108, 42556), (21278, 32216)]