201215905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{89231}}^1$

素因数の和:89288

約数の個数: 16

約数和(自身を含む): 269837568

約数和(自身を除く): 68621663

約数列:

[1, 5, 11, 41, 55, 205, 451, 2255, 89231, 446155, 981541, 3658471, 4907705, 18292355, 40243181, 201215905]

約数ペア:

[(1, 201215905), (5, 40243181), (11, 18292355), (41, 4907705), (55, 3658471), (205, 981541), (451, 446155), (2255, 89231)]