16604905

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:488

約数の個数: 16

約数和(自身を含む): 20357568

約数和(自身を除く): 3752663

約数列:

[1, 5, 101, 131, 251, 505, 655, 1255, 13231, 25351, 32881, 66155, 126755, 164405, 3320981, 16604905]

約数ペア:

[(1, 16604905), (5, 3320981), (101, 164405), (131, 126755), (251, 66155), (505, 32881), (655, 25351), (1255, 13231)]