398984

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{941}}^1$

素因数の和:1000

約数の個数: 16

約数和(自身を含む): 763020

約数和(自身を除く): 364036

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 941, 1882, 3764, 7528, 49873, 99746, 199492, 398984]

約数ペア:

[(1, 398984), (2, 199492), (4, 99746), (8, 49873), (53, 7528), (106, 3764), (212, 1882), (424, 941)]