64418975

素因数分解:

$5^2\times {\mathrm{23}}^2\times {\mathrm{4871}}^1$

素因数の和:4927

約数の個数: 18

約数和(自身を含む): 83520696

約数和(自身を除く): 19101721

約数列:

[1, 5, 23, 25, 115, 529, 575, 2645, 4871, 13225, 24355, 112033, 121775, 560165, 2576759, 2800825, 12883795, 64418975]

約数ペア:

[(1, 64418975), (5, 12883795), (23, 2800825), (25, 2576759), (115, 560165), (529, 121775), (575, 112033), (2645, 24355), (4871, 13225)]