28499772

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2551}}^1$

素因数の和:2591

約数の個数: 72

約数和(自身を含む): 81459840

約数和(自身を除く): 52960068

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 49, 57, 76, 84, 98, 114, 133, 147, 196, 228, 266, 294, 399, 532, 588, 798, 931, 1596, 1862, 2551, 2793, 3724, 5102, 5586, 7653, 10204, 11172, 15306, 17857, 30612, 35714, 48469, 53571, 71428, 96938, 107142, 124999, 145407, 193876, 214284, 249998, 290814, 339283, 374997, 499996, 581628, 678566, 749994, 1017849, 1357132, 1499988, 2035698, 2374981, 4071396, 4749962, 7124943, 9499924, 14249886, 28499772]

約数ペア:

[(1, 28499772), (2, 14249886), (3, 9499924), (4, 7124943), (6, 4749962), (7, 4071396), (12, 2374981), (14, 2035698), (19, 1499988), (21, 1357132), (28, 1017849), (38, 749994), (42, 678566), (49, 581628), (57, 499996), (76, 374997), (84, 339283), (98, 290814), (114, 249998), (133, 214284), (147, 193876), (196, 145407), (228, 124999), (266, 107142), (294, 96938), (399, 71428), (532, 53571), (588, 48469), (798, 35714), (931, 30612), (1596, 17857), (1862, 15306), (2551, 11172), (2793, 10204), (3724, 7653), (5102, 5586)]