28399085

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{39719}}^1$

素因数の和:39748

約数の個数: 16

約数和(自身を含む): 40037760

約数和(自身を除く): 11638675

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 39719, 198595, 436909, 516347, 2184545, 2581735, 5679817, 28399085]

約数ペア:

[(1, 28399085), (5, 5679817), (11, 2581735), (13, 2184545), (55, 516347), (65, 436909), (143, 198595), (715, 39719)]