25990237

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{40801}}^1$

素因数の和:40828

約数の個数: 12

約数和(自身を含む): 32559996

約数和(自身を除く): 6569759

約数列:

[1, 7, 13, 49, 91, 637, 40801, 285607, 530413, 1999249, 3712891, 25990237]

約数ペア:

[(1, 25990237), (7, 3712891), (13, 1999249), (49, 530413), (91, 285607), (637, 40801)]