81206642

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{35837}}^1$

素因数の和:35953

約数の個数: 16

約数和(自身を含む): 134177472

約数和(自身を除く): 52970830

約数列:

[1, 2, 11, 22, 103, 206, 1133, 2266, 35837, 71674, 394207, 788414, 3691211, 7382422, 40603321, 81206642]

約数ペア:

[(1, 81206642), (2, 40603321), (11, 7382422), (22, 3691211), (103, 788414), (206, 394207), (1133, 71674), (2266, 35837)]