28490728

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{26777}}^1$

素因数の和:26809

約数の個数: 32

約数和(自身を含む): 64267200

約数和(自身を除く): 35776472

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 26777, 53554, 107108, 187439, 214216, 374878, 508763, 749756, 1017526, 1499512, 2035052, 3561341, 4070104, 7122682, 14245364, 28490728]

約数ペア:

[(1, 28490728), (2, 14245364), (4, 7122682), (7, 4070104), (8, 3561341), (14, 2035052), (19, 1499512), (28, 1017526), (38, 749756), (56, 508763), (76, 374878), (133, 214216), (152, 187439), (266, 107108), (532, 53554), (1064, 26777)]