13285825

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{79}}^1$

素因数の和:158

約数の個数: 36

約数和(自身を含む): 19701120

約数和(自身を除く): 6415295

約数列:

[1, 5, 7, 25, 31, 35, 79, 155, 175, 217, 395, 553, 775, 961, 1085, 1975, 2449, 2765, 4805, 5425, 6727, 12245, 13825, 17143, 24025, 33635, 61225, 75919, 85715, 168175, 379595, 428575, 531433, 1897975, 2657165, 13285825]

約数ペア:

[(1, 13285825), (5, 2657165), (7, 1897975), (25, 531433), (31, 428575), (35, 379595), (79, 168175), (155, 85715), (175, 75919), (217, 61225), (395, 33635), (553, 24025), (775, 17143), (961, 13825), (1085, 12245), (1975, 6727), (2449, 5425), (2765, 4805)]