31330910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{18539}}^1$

素因数の和:18572

約数の個数: 24

約数和(自身を含む): 61070760

約数和(自身を除く): 29739850

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 18539, 37078, 92695, 185390, 241007, 482014, 1205035, 2410070, 3133091, 6266182, 15665455, 31330910]

約数ペア:

[(1, 31330910), (2, 15665455), (5, 6266182), (10, 3133091), (13, 2410070), (26, 1205035), (65, 482014), (130, 241007), (169, 185390), (338, 92695), (845, 37078), (1690, 18539)]