81242886

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{190711}}^1$

素因数の和:190787

約数の個数: 16

約数和(自身を含む): 164775168

約数和(自身を除く): 83532282

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 190711, 381422, 572133, 1144266, 13540481, 27080962, 40621443, 81242886]

約数ペア:

[(1, 81242886), (2, 40621443), (3, 27080962), (6, 13540481), (71, 1144266), (142, 572133), (213, 381422), (426, 190711)]