81658378

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{33827}}^1$

素因数の和:33917

約数の個数: 16

約数和(自身を含む): 131523264

約数和(自身を除く): 49864886

約数列:

[1, 2, 17, 34, 71, 142, 1207, 2414, 33827, 67654, 575059, 1150118, 2401717, 4803434, 40829189, 81658378]

約数ペア:

[(1, 81658378), (2, 40829189), (17, 4803434), (34, 2401717), (71, 1150118), (142, 575059), (1207, 67654), (2414, 33827)]