215138

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{127}}^1$

素因数の和:158

約数の個数: 24

約数和(自身を含む): 408576

約数和(自身を除く): 193438

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 127, 154, 242, 254, 847, 889, 1397, 1694, 1778, 2794, 9779, 15367, 19558, 30734, 107569, 215138]

約数ペア:

[(1, 215138), (2, 107569), (7, 30734), (11, 19558), (14, 15367), (22, 9779), (77, 2794), (121, 1778), (127, 1694), (154, 1397), (242, 889), (254, 847)]