66721145

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{10499}}^1$

素因数の和:10576

約数の個数: 16

約数和(自身を含む): 84672000

約数和(自身を除く): 17950855

約数列:

[1, 5, 31, 41, 155, 205, 1271, 6355, 10499, 52495, 325469, 430459, 1627345, 2152295, 13344229, 66721145]

約数ペア:

[(1, 66721145), (5, 13344229), (31, 2152295), (41, 1627345), (155, 430459), (205, 325469), (1271, 52495), (6355, 10499)]