15990988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1699}}^1$

素因数の和:1897

約数の個数: 24

約数和(自身を含む): 30321200

約数和(自身を除く): 14330212

約数列:

[1, 2, 4, 13, 26, 52, 181, 362, 724, 1699, 2353, 3398, 4706, 6796, 9412, 22087, 44174, 88348, 307519, 615038, 1230076, 3997747, 7995494, 15990988]

約数ペア:

[(1, 15990988), (2, 7995494), (4, 3997747), (13, 1230076), (26, 615038), (52, 307519), (181, 88348), (362, 44174), (724, 22087), (1699, 9412), (2353, 6796), (3398, 4706)]