289121245

素因数分解:

$5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{113159}}^1$

素因数の和:113244

約数の個数: 16

約数和(自身を含む): 401944320

約数和(自身を除く): 112823075

約数列:

[1, 5, 7, 35, 73, 365, 511, 2555, 113159, 565795, 792113, 3960565, 8260607, 41303035, 57824249, 289121245]

約数ペア:

[(1, 289121245), (5, 57824249), (7, 41303035), (35, 8260607), (73, 3960565), (365, 792113), (511, 565795), (2555, 113159)]