138013519

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{4051}}^1$

素因数の和:4246

約数の個数: 16

約数和(自身を含む): 163895296

約数和(自身を除く): 25881777

約数列:

[1, 7, 31, 157, 217, 1099, 4051, 4867, 28357, 34069, 125581, 636007, 879067, 4452049, 19716217, 138013519]

約数ペア:

[(1, 138013519), (7, 19716217), (31, 4452049), (157, 879067), (217, 636007), (1099, 125581), (4051, 34069), (4867, 28357)]