28700488

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{383}}^1$

素因数の和:454

約数の個数: 64

約数和(自身を含む): 62208000

約数和(自身を除く): 33507512

約数列:

[1, 2, 4, 8, 17, 19, 29, 34, 38, 58, 68, 76, 116, 136, 152, 232, 323, 383, 493, 551, 646, 766, 986, 1102, 1292, 1532, 1972, 2204, 2584, 3064, 3944, 4408, 6511, 7277, 9367, 11107, 13022, 14554, 18734, 22214, 26044, 29108, 37468, 44428, 52088, 58216, 74936, 88856, 123709, 188819, 211033, 247418, 377638, 422066, 494836, 755276, 844132, 989672, 1510552, 1688264, 3587561, 7175122, 14350244, 28700488]

約数ペア:

[(1, 28700488), (2, 14350244), (4, 7175122), (8, 3587561), (17, 1688264), (19, 1510552), (29, 989672), (34, 844132), (38, 755276), (58, 494836), (68, 422066), (76, 377638), (116, 247418), (136, 211033), (152, 188819), (232, 123709), (323, 88856), (383, 74936), (493, 58216), (551, 52088), (646, 44428), (766, 37468), (986, 29108), (1102, 26044), (1292, 22214), (1532, 18734), (1972, 14554), (2204, 13022), (2584, 11107), (3064, 9367), (3944, 7277), (4408, 6511)]