80118718

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{4729}}^1$

素因数の和:4971

約数の個数: 16

約数和(自身を含む): 123623280

約数和(自身を除く): 43504562

約数列:

[1, 2, 43, 86, 197, 394, 4729, 8471, 9458, 16942, 203347, 406694, 931613, 1863226, 40059359, 80118718]

約数ペア:

[(1, 80118718), (2, 40059359), (43, 1863226), (86, 931613), (197, 406694), (394, 203347), (4729, 16942), (8471, 9458)]