2000401921

素因数分解:

$7^2\times {\mathrm{47}}^2\times {\mathrm{18481}}^1$

素因数の和:18589

約数の個数: 18

約数和(自身を含む): 2377690818

約数和(自身を除く): 377288897

約数列:

[1, 7, 47, 49, 329, 2209, 2303, 15463, 18481, 108241, 129367, 868607, 905569, 6080249, 40824529, 42561743, 285771703, 2000401921]

約数ペア:

[(1, 2000401921), (7, 285771703), (47, 42561743), (49, 40824529), (329, 6080249), (2209, 905569), (2303, 868607), (15463, 129367), (18481, 108241)]