68878621

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{2423}}^1$

素因数の和:2592

約数の個数: 16

約数和(自身を含む): 81911808

約数和(自身を除く): 13033187

約数列:

[1, 7, 31, 131, 217, 917, 2423, 4061, 16961, 28427, 75113, 317413, 525791, 2221891, 9839803, 68878621]

約数ペア:

[(1, 68878621), (7, 9839803), (31, 2221891), (131, 525791), (217, 317413), (917, 75113), (2423, 28427), (4061, 16961)]