158209919

素因数分解:

$7^1\times {\mathrm{163}}^1\times {\mathrm{313}}^1\times {\mathrm{443}}^1$

素因数の和:926

約数の個数: 16

約数和(自身を含む): 182913792

約数和(自身を除く): 24703873

約数列:

[1, 7, 163, 313, 443, 1141, 2191, 3101, 51019, 72209, 138659, 357133, 505463, 970613, 22601417, 158209919]

約数ペア:

[(1, 158209919), (7, 22601417), (163, 970613), (313, 505463), (443, 357133), (1141, 138659), (2191, 72209), (3101, 51019)]