81709798

素因数分解:

$2^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1\times {\mathrm{859}}^1$

素因数の和:1299

約数の個数: 16

約数和(自身を含む): 123840000

約数和(自身を除く): 42130202

約数列:

[1, 2, 199, 239, 398, 478, 859, 1718, 47561, 95122, 170941, 205301, 341882, 410602, 40854899, 81709798]

約数ペア:

[(1, 81709798), (2, 40854899), (199, 410602), (239, 341882), (398, 205301), (478, 170941), (859, 95122), (1718, 47561)]