1020605

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:196

約数の個数: 16

約数和(自身を含む): 1292544

約数和(自身を除く): 271939

約数列:

[1, 5, 43, 47, 101, 215, 235, 505, 2021, 4343, 4747, 10105, 21715, 23735, 204121, 1020605]

約数ペア:

[(1, 1020605), (5, 204121), (43, 23735), (47, 21715), (101, 10105), (215, 4747), (235, 4343), (505, 2021)]