71581712

素因数分解:

$2^4\times {\mathrm{443}}^1\times {\mathrm{10099}}^1$

素因数の和:10550

約数の個数: 20

約数和(自身を含む): 139016400

約数和(自身を除く): 67434688

約数列:

[1, 2, 4, 8, 16, 443, 886, 1772, 3544, 7088, 10099, 20198, 40396, 80792, 161584, 4473857, 8947714, 17895428, 35790856, 71581712]

約数ペア:

[(1, 71581712), (2, 35790856), (4, 17895428), (8, 8947714), (16, 4473857), (443, 161584), (886, 80792), (1772, 40396), (3544, 20198), (7088, 10099)]