156721712

素因数分解:

$2^4\times 7^1\times {\mathrm{1399301}}^1$

素因数の和:1399316

約数の個数: 20

約数和(自身を含む): 347026896

約数和(自身を除く): 190305184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1399301, 2798602, 5597204, 9795107, 11194408, 19590214, 22388816, 39180428, 78360856, 156721712]

約数ペア:

[(1, 156721712), (2, 78360856), (4, 39180428), (7, 22388816), (8, 19590214), (14, 11194408), (16, 9795107), (28, 5597204), (56, 2798602), (112, 1399301)]