2220127

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{787}}^1$

素因数の和:838

約数の個数: 16

約数和(自身を含む): 2824192

約数和(自身を除く): 604065

約数列:

[1, 7, 13, 31, 91, 217, 403, 787, 2821, 5509, 10231, 24397, 71617, 170779, 317161, 2220127]

約数ペア:

[(1, 2220127), (7, 317161), (13, 170779), (31, 71617), (91, 24397), (217, 10231), (403, 5509), (787, 2821)]