171640861

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{2011}}^1$

素因数の和:2244

約数の個数: 16

約数和(自身を含む): 199912320

約数和(自身を除く): 28271459

約数列:

[1, 7, 89, 137, 623, 959, 2011, 12193, 14077, 85351, 178979, 275507, 1252853, 1928549, 24520123, 171640861]

約数ペア:

[(1, 171640861), (7, 24520123), (89, 1928549), (137, 1252853), (623, 275507), (959, 178979), (2011, 85351), (12193, 14077)]