31070221

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{811}}^1$

素因数の和:1252

約数の個数: 16

約数和(自身を含む): 38378368

約数和(自身を除く): 7308147

約数列:

[1, 7, 13, 91, 421, 811, 2947, 5473, 5677, 10543, 38311, 73801, 341431, 2390017, 4438603, 31070221]

約数ペア:

[(1, 31070221), (7, 4438603), (13, 2390017), (91, 341431), (421, 73801), (811, 38311), (2947, 10543), (5473, 5677)]