401331338

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{80621}}^1$

素因数の和:80773

約数の個数: 16

約数和(自身を含む): 638526240

約数和(自身を除く): 237194902

約数列:

[1, 2, 19, 38, 131, 262, 2489, 4978, 80621, 161242, 1531799, 3063598, 10561351, 21122702, 200665669, 401331338]

約数ペア:

[(1, 401331338), (2, 200665669), (19, 21122702), (38, 10561351), (131, 3063598), (262, 1531799), (2489, 161242), (4978, 80621)]