638339112

素因数分解:

$2^3\times 3^2\times {\mathrm{8865821}}^1$

素因数の和:8865833

約数の個数: 24

約数和(自身を含む): 1728835290

約数和(自身を除く): 1090496178

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 8865821, 17731642, 26597463, 35463284, 53194926, 70926568, 79792389, 106389852, 159584778, 212779704, 319169556, 638339112]

約数ペア:

[(1, 638339112), (2, 319169556), (3, 212779704), (4, 159584778), (6, 106389852), (8, 79792389), (9, 70926568), (12, 53194926), (18, 35463284), (24, 26597463), (36, 17731642), (72, 8865821)]