42561256

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 81239040

約数和(自身を除く): 38677784

約数列:

[1, 2, 4, 8, 127, 163, 254, 257, 326, 508, 514, 652, 1016, 1028, 1304, 2056, 20701, 32639, 41402, 41891, 65278, 82804, 83782, 130556, 165608, 167564, 261112, 335128, 5320157, 10640314, 21280628, 42561256]

約数ペア:

[(1, 42561256), (2, 21280628), (4, 10640314), (8, 5320157), (127, 335128), (163, 261112), (254, 167564), (257, 165608), (326, 130556), (508, 83782), (514, 82804), (652, 65278), (1016, 41891), (1028, 41402), (1304, 32639), (2056, 20701)]