218368825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{5297}}^1$

素因数の和:5421

約数の個数: 24

約数和(自身を含む): 289715832

約数和(自身を除く): 71347007

約数列:

[1, 5, 17, 25, 85, 97, 425, 485, 1649, 2425, 5297, 8245, 26485, 41225, 90049, 132425, 450245, 513809, 2251225, 2569045, 8734753, 12845225, 43673765, 218368825]

約数ペア:

[(1, 218368825), (5, 43673765), (17, 12845225), (25, 8734753), (85, 2569045), (97, 2251225), (425, 513809), (485, 450245), (1649, 132425), (2425, 90049), (5297, 41225), (8245, 26485)]