31180630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239851}}^1$

素因数の和:239871

約数の個数: 16

約数和(自身を含む): 60442704

約数和(自身を除く): 29262074

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 239851, 479702, 1199255, 2398510, 3118063, 6236126, 15590315, 31180630]

約数ペア:

[(1, 31180630), (2, 15590315), (5, 6236126), (10, 3118063), (13, 2398510), (26, 1199255), (65, 479702), (130, 239851)]