1998504008

素因数分解:

$2^3\times {\mathrm{1279}}^1\times {\mathrm{195319}}^1$

素因数の和:196604

約数の個数: 16

約数和(自身を含む): 3750144000

約数和(自身を除く): 1751639992

約数列:

[1, 2, 4, 8, 1279, 2558, 5116, 10232, 195319, 390638, 781276, 1562552, 249813001, 499626002, 999252004, 1998504008]

約数ペア:

[(1, 1998504008), (2, 999252004), (4, 499626002), (8, 249813001), (1279, 1562552), (2558, 781276), (5116, 390638), (10232, 195319)]