161862220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{622547}}^1$

素因数の和:622569

約数の個数: 24

約数和(自身を含む): 366058224

約数和(自身を除く): 204196004

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 622547, 1245094, 2490188, 3112735, 6225470, 8093111, 12450940, 16186222, 32372444, 40465555, 80931110, 161862220]

約数ペア:

[(1, 161862220), (2, 80931110), (4, 40465555), (5, 32372444), (10, 16186222), (13, 12450940), (20, 8093111), (26, 6225470), (52, 3112735), (65, 2490188), (130, 1245094), (260, 622547)]