11720219

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{421}}^1$

素因数の和:566

約数の個数: 16

約数和(自身を含む): 13895616

約数和(自身を除く): 2175397

約数列:

[1, 7, 41, 97, 287, 421, 679, 2947, 3977, 17261, 27839, 40837, 120827, 285859, 1674317, 11720219]

約数ペア:

[(1, 11720219), (7, 1674317), (41, 285859), (97, 120827), (287, 40837), (421, 27839), (679, 17261), (2947, 3977)]