399019445

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{234029}}^1$

素因数の和:234076

約数の個数: 16

約数和(自身を含む): 539205120

約数和(自身を除く): 140185675

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 234029, 1170145, 2574319, 7254899, 12871595, 36274495, 79803889, 399019445]

約数ペア:

[(1, 399019445), (5, 79803889), (11, 36274495), (31, 12871595), (55, 7254899), (155, 2574319), (341, 1170145), (1705, 234029)]