12143425

素因数分解:

$5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:478

約数の個数: 36

約数和(自身を含む): 18320256

約数和(自身を除く): 6176831

約数列:

[1, 5, 7, 23, 25, 35, 49, 115, 161, 175, 245, 431, 575, 805, 1127, 1225, 2155, 3017, 4025, 5635, 9913, 10775, 15085, 21119, 28175, 49565, 69391, 75425, 105595, 247825, 346955, 485737, 527975, 1734775, 2428685, 12143425]

約数ペア:

[(1, 12143425), (5, 2428685), (7, 1734775), (23, 527975), (25, 485737), (35, 346955), (49, 247825), (115, 105595), (161, 75425), (175, 69391), (245, 49565), (431, 28175), (575, 21119), (805, 15085), (1127, 10775), (1225, 9913), (2155, 5635), (3017, 4025)]