28875448

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 64281600

約数和(自身を除く): 35406152

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 79, 107, 122, 158, 214, 244, 316, 427, 428, 488, 553, 632, 749, 854, 856, 1106, 1498, 1708, 2212, 2996, 3416, 4424, 4819, 5992, 6527, 8453, 9638, 13054, 16906, 19276, 26108, 33733, 33812, 38552, 45689, 52216, 59171, 67466, 67624, 91378, 118342, 134932, 182756, 236684, 269864, 365512, 473368, 515633, 1031266, 2062532, 3609431, 4125064, 7218862, 14437724, 28875448]

約数ペア:

[(1, 28875448), (2, 14437724), (4, 7218862), (7, 4125064), (8, 3609431), (14, 2062532), (28, 1031266), (56, 515633), (61, 473368), (79, 365512), (107, 269864), (122, 236684), (158, 182756), (214, 134932), (244, 118342), (316, 91378), (427, 67624), (428, 67466), (488, 59171), (553, 52216), (632, 45689), (749, 38552), (854, 33812), (856, 33733), (1106, 26108), (1498, 19276), (1708, 16906), (2212, 13054), (2996, 9638), (3416, 8453), (4424, 6527), (4819, 5992)]