81665882

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1\times {\mathrm{2837}}^1$

素因数の和:3265

約数の個数: 16

約数和(自身を含む): 126177480

約数和(自身を除く): 44511598

約数列:

[1, 2, 37, 74, 389, 778, 2837, 5674, 14393, 28786, 104969, 209938, 1103593, 2207186, 40832941, 81665882]

約数ペア:

[(1, 81665882), (2, 40832941), (37, 2207186), (74, 1103593), (389, 209938), (778, 104969), (2837, 28786), (5674, 14393)]