81821981575

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{1069}}^1\times {\mathrm{65141}}^1$

素因数の和:66267

約数の個数: 24

約数和(自身を含む): 103716486720

約数和(自身を除く): 21894505145

約数列:

[1, 5, 25, 47, 235, 1069, 1175, 5345, 26725, 50243, 65141, 251215, 325705, 1256075, 1628525, 3061627, 15308135, 69635729, 76540675, 348178645, 1740893225, 3272879263, 16364396315, 81821981575]

約数ペア:

[(1, 81821981575), (5, 16364396315), (25, 3272879263), (47, 1740893225), (235, 348178645), (1069, 76540675), (1175, 69635729), (5345, 15308135), (26725, 3061627), (50243, 1628525), (65141, 1256075), (251215, 325705)]