31460686790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{18615791}}^1$

素因数の和:18615824

約数の個数: 24

約数和(自身を含む): 61320418848

約数和(自身を除く): 29859732058

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 18615791, 37231582, 93078955, 186157910, 242005283, 484010566, 1210026415, 2420052830, 3146068679, 6292137358, 15730343395, 31460686790]

約数ペア:

[(1, 31460686790), (2, 15730343395), (5, 6292137358), (10, 3146068679), (13, 2420052830), (26, 1210026415), (65, 484010566), (130, 242005283), (169, 186157910), (338, 93078955), (845, 37231582), (1690, 18615791)]