12217985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11057}}^1$

素因数の和:11092

約数の個数: 16

約数和(自身を含む): 16719696

約数和(自身を除く): 4501711

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 11057, 55285, 143741, 187969, 718705, 939845, 2443597, 12217985]

約数ペア:

[(1, 12217985), (5, 2443597), (13, 939845), (17, 718705), (65, 187969), (85, 143741), (221, 55285), (1105, 11057)]