28720904

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{2879}}^1$

素因数の和:2957

約数の個数: 32

約数和(自身を含む): 57024000

約数和(自身を除く): 28303096

約数列:

[1, 2, 4, 8, 29, 43, 58, 86, 116, 172, 232, 344, 1247, 2494, 2879, 4988, 5758, 9976, 11516, 23032, 83491, 123797, 166982, 247594, 333964, 495188, 667928, 990376, 3590113, 7180226, 14360452, 28720904]

約数ペア:

[(1, 28720904), (2, 14360452), (4, 7180226), (8, 3590113), (29, 990376), (43, 667928), (58, 495188), (86, 333964), (116, 247594), (172, 166982), (232, 123797), (344, 83491), (1247, 23032), (2494, 11516), (2879, 9976), (4988, 5758)]