31090930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{18397}}^1$

素因数の和:18430

約数の個数: 24

約数和(自身を含む): 60603012

約数和(自身を除く): 29512082

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 18397, 36794, 91985, 183970, 239161, 478322, 1195805, 2391610, 3109093, 6218186, 15545465, 31090930]

約数ペア:

[(1, 31090930), (2, 15545465), (5, 6218186), (10, 3109093), (13, 2391610), (26, 1195805), (65, 478322), (130, 239161), (169, 183970), (338, 91985), (845, 36794), (1690, 18397)]