64845505

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{1531}}^1$

素因数の和:1776

約数の個数: 16

約数和(自身を含む): 80080704

約数和(自身を除く): 15235199

約数列:

[1, 5, 43, 197, 215, 985, 1531, 7655, 8471, 42355, 65833, 301607, 329165, 1508035, 12969101, 64845505]

約数ペア:

[(1, 64845505), (5, 12969101), (43, 1508035), (197, 329165), (215, 301607), (985, 65833), (1531, 42355), (7655, 8471)]