81538685

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{1889}}^1$

素因数の和:2080

約数の個数: 16

約数和(自身を含む): 100018800

約数和(自身を除く): 18480115

約数列:

[1, 5, 89, 97, 445, 485, 1889, 8633, 9445, 43165, 168121, 183233, 840605, 916165, 16307737, 81538685]

約数ペア:

[(1, 81538685), (5, 16307737), (89, 916165), (97, 840605), (445, 183233), (485, 168121), (1889, 43165), (8633, 9445)]