81115396

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{3943}}^1$

素因数の和:4123

約数の個数: 24

約数和(自身を含む): 146874560

約数和(自身を除く): 65759164

約数列:

[1, 2, 4, 37, 74, 139, 148, 278, 556, 3943, 5143, 7886, 10286, 15772, 20572, 145891, 291782, 548077, 583564, 1096154, 2192308, 20278849, 40557698, 81115396]

約数ペア:

[(1, 81115396), (2, 40557698), (4, 20278849), (37, 2192308), (74, 1096154), (139, 583564), (148, 548077), (278, 291782), (556, 145891), (3943, 20572), (5143, 15772), (7886, 10286)]