199022825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{468289}}^1$

素因数の和:468316

約数の個数: 12

約数和(自身を含む): 261305820

約数和(自身を除く): 62282995

約数列:

[1, 5, 17, 25, 85, 425, 468289, 2341445, 7960913, 11707225, 39804565, 199022825]

約数ペア:

[(1, 199022825), (5, 39804565), (17, 11707225), (25, 7960913), (85, 2341445), (425, 468289)]