642621881

素因数分解:

${\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{2677}}^1$

素因数の和:2984

約数の個数: 16

約数和(自身を含む): 710848320

約数和(自身を除く): 68226439

約数列:

[1, 11, 139, 157, 1529, 1727, 2677, 21823, 29447, 240053, 372103, 420289, 4093133, 4623179, 58420171, 642621881]

約数ペア:

[(1, 642621881), (11, 58420171), (139, 4623179), (157, 4093133), (1529, 420289), (1727, 372103), (2677, 240053), (21823, 29447)]