1245335

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:72

約数の個数: 48

約数和(自身を含む): 2068416

約数和(自身を除く): 823081

約数列:

[1, 5, 7, 13, 17, 23, 35, 49, 65, 85, 91, 115, 119, 161, 221, 245, 299, 391, 455, 595, 637, 805, 833, 1105, 1127, 1495, 1547, 1955, 2093, 2737, 3185, 4165, 5083, 5635, 7735, 10465, 10829, 13685, 14651, 19159, 25415, 35581, 54145, 73255, 95795, 177905, 249067, 1245335]

約数ペア:

[(1, 1245335), (5, 249067), (7, 177905), (13, 95795), (17, 73255), (23, 54145), (35, 35581), (49, 25415), (65, 19159), (85, 14651), (91, 13685), (115, 10829), (119, 10465), (161, 7735), (221, 5635), (245, 5083), (299, 4165), (391, 3185), (455, 2737), (595, 2093), (637, 1955), (805, 1547), (833, 1495), (1105, 1127)]