1639332575

素因数分解:

$5^2\times {\mathrm{443}}^1\times {\mathrm{148021}}^1$

素因数の和:148474

約数の個数: 12

約数和(自身を含む): 2037374808

約数和(自身を除く): 398042233

約数列:

[1, 5, 25, 443, 2215, 11075, 148021, 740105, 3700525, 65573303, 327866515, 1639332575]

約数ペア:

[(1, 1639332575), (5, 327866515), (25, 65573303), (443, 3700525), (2215, 740105), (11075, 148021)]