8025745

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{569}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 12257280

約数和(自身を除く): 4231535

約数列:

[1, 5, 7, 13, 31, 35, 65, 91, 155, 217, 403, 455, 569, 1085, 2015, 2821, 2845, 3983, 7397, 14105, 17639, 19915, 36985, 51779, 88195, 123473, 229307, 258895, 617365, 1146535, 1605149, 8025745]

約数ペア:

[(1, 8025745), (5, 1605149), (7, 1146535), (13, 617365), (31, 258895), (35, 229307), (65, 123473), (91, 88195), (155, 51779), (217, 36985), (403, 19915), (455, 17639), (569, 14105), (1085, 7397), (2015, 3983), (2821, 2845)]