64701889

素因数分解:

$7^1\times {\mathrm{181}}^1\times {\mathrm{223}}^1\times {\mathrm{229}}^1$

素因数の和:640

約数の個数: 16

約数和(自身を含む): 75013120

約数和(自身を除く): 10311231

約数列:

[1, 7, 181, 223, 229, 1267, 1561, 1603, 40363, 41449, 51067, 282541, 290143, 357469, 9243127, 64701889]

約数ペア:

[(1, 64701889), (7, 9243127), (181, 357469), (223, 290143), (229, 282541), (1267, 51067), (1561, 41449), (1603, 40363)]