71158025

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1609}}^1$

素因数の和:1709

約数の個数: 24

約数和(自身を含む): 92832600

約数和(自身を除く): 21674575

約数列:

[1, 5, 25, 29, 61, 145, 305, 725, 1525, 1609, 1769, 8045, 8845, 40225, 44225, 46661, 98149, 233305, 490745, 1166525, 2453725, 2846321, 14231605, 71158025]

約数ペア:

[(1, 71158025), (5, 14231605), (25, 2846321), (29, 2453725), (61, 1166525), (145, 490745), (305, 233305), (725, 98149), (1525, 46661), (1609, 44225), (1769, 40225), (8045, 8845)]