161861830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1245091}}^1$

素因数の和:1245111

約数の個数: 16

約数和(自身を含む): 313763184

約数和(自身を除く): 151901354

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1245091, 2490182, 6225455, 12450910, 16186183, 32372366, 80930915, 161861830]

約数ペア:

[(1, 161861830), (2, 80930915), (5, 32372366), (10, 16186183), (13, 12450910), (26, 6225455), (65, 2490182), (130, 1245091)]