71380816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{343177}}^1$

素因数の和:343198

約数の個数: 20

約数和(自身を含む): 148939252

約数和(自身を除く): 77558436

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 343177, 686354, 1372708, 2745416, 4461301, 5490832, 8922602, 17845204, 35690408, 71380816]

約数ペア:

[(1, 71380816), (2, 35690408), (4, 17845204), (8, 8922602), (13, 5490832), (16, 4461301), (26, 2745416), (52, 1372708), (104, 686354), (208, 343177)]