81520882

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{21997}}^1$

素因数の和:22125

約数の個数: 16

約数和(自身を含む): 130668120

約数和(自身を除く): 49147238

約数列:

[1, 2, 17, 34, 109, 218, 1853, 3706, 21997, 43994, 373949, 747898, 2397673, 4795346, 40760441, 81520882]

約数ペア:

[(1, 81520882), (2, 40760441), (17, 4795346), (34, 2397673), (109, 747898), (218, 373949), (1853, 43994), (3706, 21997)]