81953815

素因数分解:

$5^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{1987}}^1$

素因数の和:2178

約数の個数: 16

約数和(自身を含む): 100624608

約数和(自身を除く): 18670793

約数列:

[1, 5, 73, 113, 365, 565, 1987, 8249, 9935, 41245, 145051, 224531, 725255, 1122655, 16390763, 81953815]

約数ペア:

[(1, 81953815), (5, 16390763), (73, 1122655), (113, 725255), (365, 224531), (565, 145051), (1987, 41245), (8249, 9935)]