80390886

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{188711}}^1$

素因数の和:188787

約数の個数: 16

約数和(自身を含む): 163047168

約数和(自身を除く): 82656282

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 188711, 377422, 566133, 1132266, 13398481, 26796962, 40195443, 80390886]

約数ペア:

[(1, 80390886), (2, 40195443), (3, 26796962), (6, 13398481), (71, 1132266), (142, 566133), (213, 377422), (426, 188711)]