81538177

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{10391}}^1$

素因数の和:10476

約数の個数: 16

約数和(自身を含む): 99763200

約数和(自身を除く): 18225023

約数列:

[1, 7, 19, 59, 133, 413, 1121, 7847, 10391, 72737, 197429, 613069, 1382003, 4291483, 11648311, 81538177]

約数ペア:

[(1, 81538177), (7, 11648311), (19, 4291483), (59, 1382003), (133, 613069), (413, 197429), (1121, 72737), (7847, 10391)]