1998205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{773}}^1$

素因数の和:836

約数の個数: 16

約数和(自身を含む): 2674944

約数和(自身を除く): 676739

約数列:

[1, 5, 11, 47, 55, 235, 517, 773, 2585, 3865, 8503, 36331, 42515, 181655, 399641, 1998205]

約数ペア:

[(1, 1998205), (5, 399641), (11, 181655), (47, 42515), (55, 36331), (235, 8503), (517, 3865), (773, 2585)]