31218397

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{647}}^1$

素因数の和:828

約数の個数: 16

約数和(自身を含む): 36640512

約数和(自身を除く): 5422115

約数列:

[1, 7, 61, 113, 427, 647, 791, 4529, 6893, 39467, 48251, 73111, 276269, 511777, 4459771, 31218397]

約数ペア:

[(1, 31218397), (7, 4459771), (61, 511777), (113, 276269), (427, 73111), (647, 48251), (791, 39467), (4529, 6893)]