81657244

素因数分解:

$2^2\times {\mathrm{79}}^2\times {\mathrm{3271}}^1$

素因数の和:3433

約数の個数: 18

約数和(自身を含む): 144776184

約数和(自身を除く): 63118940

約数列:

[1, 2, 4, 79, 158, 316, 3271, 6241, 6542, 12482, 13084, 24964, 258409, 516818, 1033636, 20414311, 40828622, 81657244]

約数ペア:

[(1, 81657244), (2, 40828622), (4, 20414311), (79, 1033636), (158, 516818), (316, 258409), (3271, 24964), (6241, 13084), (6542, 12482)]