12001205

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:424

約数の個数: 16

約数和(自身を含む): 14742000

約数和(自身を除く): 2740795

約数列:

[1, 5, 89, 149, 181, 445, 745, 905, 13261, 16109, 26969, 66305, 80545, 134845, 2400241, 12001205]

約数ペア:

[(1, 12001205), (5, 2400241), (89, 134845), (149, 80545), (181, 66305), (445, 26969), (745, 16109), (905, 13261)]