28239966

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1163}}^1$

素因数の和:1261

約数の個数: 48

約数和(自身を含む): 65370240

約数和(自身を除く): 37130274

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 71, 114, 142, 171, 213, 342, 426, 639, 1163, 1278, 1349, 2326, 2698, 3489, 4047, 6978, 8094, 10467, 12141, 20934, 22097, 24282, 44194, 66291, 82573, 132582, 165146, 198873, 247719, 397746, 495438, 743157, 1486314, 1568887, 3137774, 4706661, 9413322, 14119983, 28239966]

約数ペア:

[(1, 28239966), (2, 14119983), (3, 9413322), (6, 4706661), (9, 3137774), (18, 1568887), (19, 1486314), (38, 743157), (57, 495438), (71, 397746), (114, 247719), (142, 198873), (171, 165146), (213, 132582), (342, 82573), (426, 66291), (639, 44194), (1163, 24282), (1278, 22097), (1349, 20934), (2326, 12141), (2698, 10467), (3489, 8094), (4047, 6978)]