31191719

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2663}}^1$

素因数の和:2746

約数の個数: 16

約数和(自身を含む): 36251712

約数和(自身を除く): 5059993

約数列:

[1, 13, 17, 53, 221, 689, 901, 2663, 11713, 34619, 45271, 141139, 588523, 1834807, 2399363, 31191719]

約数ペア:

[(1, 31191719), (13, 2399363), (17, 1834807), (53, 588523), (221, 141139), (689, 45271), (901, 34619), (2663, 11713)]