408242

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:193

約数の個数: 16

約数和(自身を含む): 646272

約数和(自身を除く): 238030

約数列:

[1, 2, 43, 47, 86, 94, 101, 202, 2021, 4042, 4343, 4747, 8686, 9494, 204121, 408242]

約数ペア:

[(1, 408242), (2, 204121), (43, 9494), (47, 8686), (86, 4747), (94, 4343), (101, 4042), (202, 2021)]