490689731

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{20011}}^1$

素因数の和:20162

約数の個数: 16

約数和(自身を含む): 584030208

約数和(自身を除く): 93340477

約数列:

[1, 7, 31, 113, 217, 791, 3503, 20011, 24521, 140077, 620341, 2261243, 4342387, 15828701, 70098533, 490689731]

約数ペア:

[(1, 490689731), (7, 70098533), (31, 15828701), (113, 4342387), (217, 2261243), (791, 620341), (3503, 140077), (20011, 24521)]