12228515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{449}}^1$

素因数の和:886

約数の個数: 16

約数和(自身を含む): 15876000

約数和(自身を除く): 3647485

約数列:

[1, 5, 13, 65, 419, 449, 2095, 2245, 5447, 5837, 27235, 29185, 188131, 940655, 2445703, 12228515]

約数ペア:

[(1, 12228515), (5, 2445703), (13, 940655), (65, 188131), (419, 29185), (449, 27235), (2095, 5837), (2245, 5447)]