12220988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1181}}^1$

素因数の和:1397

約数の個数: 24

約数和(自身を含む): 23167200

約数和(自身を除く): 10946212

約数列:

[1, 2, 4, 13, 26, 52, 199, 398, 796, 1181, 2362, 2587, 4724, 5174, 10348, 15353, 30706, 61412, 235019, 470038, 940076, 3055247, 6110494, 12220988]

約数ペア:

[(1, 12220988), (2, 6110494), (4, 3055247), (13, 940076), (26, 470038), (52, 235019), (199, 61412), (398, 30706), (796, 15353), (1181, 10348), (2362, 5174), (2587, 4724)]