81573682

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{4999}}^1$

素因数の和:5241

約数の個数: 16

約数和(自身を含む): 126000000

約数和(自身を除く): 44426318

約数列:

[1, 2, 41, 82, 199, 398, 4999, 8159, 9998, 16318, 204959, 409918, 994801, 1989602, 40786841, 81573682]

約数ペア:

[(1, 81573682), (2, 40786841), (41, 1989602), (82, 994801), (199, 409918), (398, 204959), (4999, 16318), (8159, 9998)]