1998984953

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{28463}}^1$

素因数の和:28676

約数の個数: 16

約数和(自身を含む): 2331770880

約数和(自身を除く): 332785927

約数列:

[1, 7, 79, 127, 553, 889, 10033, 28463, 70231, 199241, 2248577, 3614801, 15740039, 25303607, 285569279, 1998984953]

約数ペア:

[(1, 1998984953), (7, 285569279), (79, 25303607), (127, 15740039), (553, 3614801), (889, 2248577), (10033, 199241), (28463, 70231)]