81159782

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{151}}^1\times {\mathrm{2221}}^1$

素因数の和:2396

約数の個数: 24

約数和(自身を含む): 134759856

約数和(自身を除く): 53600074

約数列:

[1, 2, 11, 22, 121, 151, 242, 302, 1661, 2221, 3322, 4442, 18271, 24431, 36542, 48862, 268741, 335371, 537482, 670742, 3689081, 7378162, 40579891, 81159782]

約数ペア:

[(1, 81159782), (2, 40579891), (11, 7378162), (22, 3689081), (121, 670742), (151, 537482), (242, 335371), (302, 268741), (1661, 48862), (2221, 36542), (3322, 24431), (4442, 18271)]