12997205

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4877}}^1$

素因数の和:4936

約数の個数: 16

約数和(自身を含む): 17209584

約数和(自身を除く): 4212379

約数列:

[1, 5, 13, 41, 65, 205, 533, 2665, 4877, 24385, 63401, 199957, 317005, 999785, 2599441, 12997205]

約数ペア:

[(1, 12997205), (5, 2599441), (13, 999785), (41, 317005), (65, 199957), (205, 63401), (533, 24385), (2665, 4877)]