158865982

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{656471}}^1$

素因数の和:656495

約数の個数: 12

約数和(自身を含む): 261932328

約数和(自身を除く): 103066346

約数列:

[1, 2, 11, 22, 121, 242, 656471, 1312942, 7221181, 14442362, 79432991, 158865982]

約数ペア:

[(1, 158865982), (2, 79432991), (11, 14442362), (22, 7221181), (121, 1312942), (242, 656471)]