397441538

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{899189}}^1$

素因数の和:899221

約数の個数: 16

約数和(自身を含む): 679787640

約数和(自身を除く): 282346102

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 899189, 1798378, 11689457, 15286213, 23378914, 30572426, 198720769, 397441538]

約数ペア:

[(1, 397441538), (2, 198720769), (13, 30572426), (17, 23378914), (26, 15286213), (34, 11689457), (221, 1798378), (442, 899189)]