81175790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{427241}}^1$

素因数の和:427267

約数の個数: 16

約数和(自身を含む): 153807120

約数和(自身を除く): 72631330

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 427241, 854482, 2136205, 4272410, 8117579, 16235158, 40587895, 81175790]

約数ペア:

[(1, 81175790), (2, 40587895), (5, 16235158), (10, 8117579), (19, 4272410), (38, 2136205), (95, 854482), (190, 427241)]