642651839

素因数分解:

${\mathrm{19}}^2\times {\mathrm{271}}^1\times {\mathrm{6569}}^1$

素因数の和:6878

約数の個数: 12

約数和(自身を含む): 680862240

約数和(自身を除く): 38210401

約数列:

[1, 19, 271, 361, 5149, 6569, 97831, 124811, 1780199, 2371409, 33823781, 642651839]

約数ペア:

[(1, 642651839), (19, 33823781), (271, 2371409), (361, 1780199), (5149, 124811), (6569, 97831)]