31808380

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{14591}}^1$

素因数の和:14709

約数の個数: 24

約数和(自身を含む): 67415040

約数和(自身を除く): 35606660

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 14591, 29182, 58364, 72955, 145910, 291820, 1590419, 3180838, 6361676, 7952095, 15904190, 31808380]

約数ペア:

[(1, 31808380), (2, 15904190), (4, 7952095), (5, 6361676), (10, 3180838), (20, 1590419), (109, 291820), (218, 145910), (436, 72955), (545, 58364), (1090, 29182), (2180, 14591)]