12690755

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 20536416

約数和(自身を除く): 7845661

約数列:

[1, 5, 7, 11, 17, 35, 49, 55, 77, 85, 119, 187, 245, 277, 385, 539, 595, 833, 935, 1309, 1385, 1939, 2695, 3047, 4165, 4709, 6545, 9163, 9695, 13573, 15235, 21329, 23545, 32963, 45815, 51799, 67865, 106645, 149303, 164815, 230741, 258995, 362593, 746515, 1153705, 1812965, 2538151, 12690755]

約数ペア:

[(1, 12690755), (5, 2538151), (7, 1812965), (11, 1153705), (17, 746515), (35, 362593), (49, 258995), (55, 230741), (77, 164815), (85, 149303), (119, 106645), (187, 67865), (245, 51799), (277, 45815), (385, 32963), (539, 23545), (595, 21329), (833, 15235), (935, 13573), (1309, 9695), (1385, 9163), (1939, 6545), (2695, 4709), (3047, 4165)]