28839545

素因数分解:

$5^1\times 7^1\times {\mathrm{743}}^1\times {\mathrm{1109}}^1$

素因数の和:1864

約数の個数: 16

約数和(自身を含む): 39640320

約数和(自身を除く): 10800775

約数列:

[1, 5, 7, 35, 743, 1109, 3715, 5201, 5545, 7763, 26005, 38815, 823987, 4119935, 5767909, 28839545]

約数ペア:

[(1, 28839545), (5, 5767909), (7, 4119935), (35, 823987), (743, 38815), (1109, 26005), (3715, 7763), (5201, 5545)]