81310668

素因数分解:

$2^2\times 3^1\times {\mathrm{239}}^1\times {\mathrm{28351}}^1$

素因数の和:28597

約数の個数: 24

約数和(自身を含む): 190525440

約数和(自身を除く): 109214772

約数列:

[1, 2, 3, 4, 6, 12, 239, 478, 717, 956, 1434, 2868, 28351, 56702, 85053, 113404, 170106, 340212, 6775889, 13551778, 20327667, 27103556, 40655334, 81310668]

約数ペア:

[(1, 81310668), (2, 40655334), (3, 27103556), (4, 20327667), (6, 13551778), (12, 6775889), (239, 340212), (478, 170106), (717, 113404), (956, 85053), (1434, 56702), (2868, 28351)]