87278378

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{28541}}^1$

素因数の和:28693

約数の個数: 16

約数和(自身を含む): 143851680

約数和(自身を除く): 56573302

約数列:

[1, 2, 11, 22, 139, 278, 1529, 3058, 28541, 57082, 313951, 627902, 3967199, 7934398, 43639189, 87278378]

約数ペア:

[(1, 87278378), (2, 43639189), (11, 7934398), (22, 3967199), (139, 627902), (278, 313951), (1529, 57082), (3058, 28541)]