329439728

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{664193}}^1$

素因数の和:664232

約数の個数: 20

約数和(自身を含む): 658880448

約数和(自身を除く): 329440720

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 664193, 1328386, 2656772, 5313544, 10627088, 20589983, 41179966, 82359932, 164719864, 329439728]

約数ペア:

[(1, 329439728), (2, 164719864), (4, 82359932), (8, 41179966), (16, 20589983), (31, 10627088), (62, 5313544), (124, 2656772), (248, 1328386), (496, 664193)]