28723212

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{857}}^1$

素因数の和:900

約数の個数: 108

約数和(自身を含む): 89008920

約数和(自身を除く): 60285708

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 49, 57, 63, 76, 84, 98, 114, 126, 133, 147, 171, 196, 228, 252, 266, 294, 342, 399, 441, 532, 588, 684, 798, 857, 882, 931, 1197, 1596, 1714, 1764, 1862, 2394, 2571, 2793, 3428, 3724, 4788, 5142, 5586, 5999, 7713, 8379, 10284, 11172, 11998, 15426, 16283, 16758, 17997, 23996, 30852, 32566, 33516, 35994, 41993, 48849, 53991, 65132, 71988, 83986, 97698, 107982, 113981, 125979, 146547, 167972, 195396, 215964, 227962, 251958, 293094, 341943, 377937, 455924, 503916, 586188, 683886, 755874, 797867, 1025829, 1367772, 1511748, 1595734, 2051658, 2393601, 3191468, 4103316, 4787202, 7180803, 9574404, 14361606, 28723212]

約数ペア:

[(1, 28723212), (2, 14361606), (3, 9574404), (4, 7180803), (6, 4787202), (7, 4103316), (9, 3191468), (12, 2393601), (14, 2051658), (18, 1595734), (19, 1511748), (21, 1367772), (28, 1025829), (36, 797867), (38, 755874), (42, 683886), (49, 586188), (57, 503916), (63, 455924), (76, 377937), (84, 341943), (98, 293094), (114, 251958), (126, 227962), (133, 215964), (147, 195396), (171, 167972), (196, 146547), (228, 125979), (252, 113981), (266, 107982), (294, 97698), (342, 83986), (399, 71988), (441, 65132), (532, 53991), (588, 48849), (684, 41993), (798, 35994), (857, 33516), (882, 32566), (931, 30852), (1197, 23996), (1596, 17997), (1714, 16758), (1764, 16283), (1862, 15426), (2394, 11998), (2571, 11172), (2793, 10284), (3428, 8379), (3724, 7713), (4788, 5999), (5142, 5586)]