81147734

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1\times {\mathrm{2819}}^1$

素因数の和:3247

約数の個数: 16

約数和(自身を含む): 125377200

約数和(自身を除く): 44229466

約数列:

[1, 2, 37, 74, 389, 778, 2819, 5638, 14393, 28786, 104303, 208606, 1096591, 2193182, 40573867, 81147734]

約数ペア:

[(1, 81147734), (2, 40573867), (37, 2193182), (74, 1096591), (389, 208606), (778, 104303), (2819, 28786), (5638, 14393)]