71998790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{378941}}^1$

素因数の和:378967

約数の個数: 16

約数和(自身を含む): 136419120

約数和(自身を除く): 64420330

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 378941, 757882, 1894705, 3789410, 7199879, 14399758, 35999395, 71998790]

約数ペア:

[(1, 71998790), (2, 35999395), (5, 14399758), (10, 7199879), (19, 3789410), (38, 1894705), (95, 757882), (190, 378941)]