639316901

素因数分解:

${\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1\times {\mathrm{1063}}^1$

素因数の和:1496

約数の個数: 16

約数和(自身を含む): 678236160

約数和(自身を除く): 38919259

約数列:

[1, 23, 79, 331, 1063, 1817, 7613, 24449, 26149, 83977, 351853, 601427, 1931471, 8092619, 27796387, 639316901]

約数ペア:

[(1, 639316901), (23, 27796387), (79, 8092619), (331, 1931471), (1063, 601427), (1817, 351853), (7613, 83977), (24449, 26149)]