399652105

素因数分解:

$5^1\times {\mathrm{43}}^2\times {\mathrm{139}}^1\times {\mathrm{311}}^1$

素因数の和:541

約数の個数: 24

約数和(自身を含む): 496117440

約数和(自身を除く): 96465335

約数列:

[1, 5, 43, 139, 215, 311, 695, 1555, 1849, 5977, 9245, 13373, 29885, 43229, 66865, 216145, 257011, 575039, 1285055, 1858847, 2875195, 9294235, 79930421, 399652105]

約数ペア:

[(1, 399652105), (5, 79930421), (43, 9294235), (139, 2875195), (215, 1858847), (311, 1285055), (695, 575039), (1555, 257011), (1849, 216145), (5977, 66865), (9245, 43229), (13373, 29885)]