31261867

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{4139}}^1$

素因数の和:4242

約数の個数: 16

約数和(自身を含む): 38949120

約数和(自身を除く): 7687253

約数列:

[1, 7, 13, 83, 91, 581, 1079, 4139, 7553, 28973, 53807, 343537, 376649, 2404759, 4465981, 31261867]

約数ペア:

[(1, 31261867), (7, 4465981), (13, 2404759), (83, 376649), (91, 343537), (581, 53807), (1079, 28973), (4139, 7553)]