81758159

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{6907}}^1$

素因数の和:7022

約数の個数: 16

約数和(自身を含む): 99475200

約数和(自身を除く): 17717041

約数列:

[1, 7, 19, 89, 133, 623, 1691, 6907, 11837, 48349, 131233, 614723, 918631, 4303061, 11679737, 81758159]

約数ペア:

[(1, 81758159), (7, 11679737), (19, 4303061), (89, 918631), (133, 614723), (623, 131233), (1691, 48349), (6907, 11837)]