28328215

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{2473}}^1$

素因数の和:2586

約数の個数: 16

約数和(自身を含む): 35625600

約数和(自身を除く): 7297385

約数列:

[1, 5, 29, 79, 145, 395, 2291, 2473, 11455, 12365, 71717, 195367, 358585, 976835, 5665643, 28328215]

約数ペア:

[(1, 28328215), (5, 5665643), (29, 976835), (79, 358585), (145, 195367), (395, 71717), (2291, 12365), (2473, 11455)]