28221648

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{71}}^1$

素因数の和:122

約数の個数: 180

約数和(自身を含む): 93127968

約数和(自身を除く): 64906320

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 49, 52, 56, 71, 78, 84, 91, 98, 104, 112, 142, 147, 156, 168, 169, 182, 196, 208, 213, 273, 284, 294, 312, 336, 338, 364, 392, 426, 497, 507, 546, 568, 588, 624, 637, 676, 728, 784, 852, 923, 994, 1014, 1092, 1136, 1176, 1183, 1274, 1352, 1456, 1491, 1704, 1846, 1911, 1988, 2028, 2184, 2352, 2366, 2548, 2704, 2769, 2982, 3408, 3479, 3549, 3692, 3822, 3976, 4056, 4368, 4732, 5096, 5538, 5964, 6461, 6958, 7098, 7384, 7644, 7952, 8112, 8281, 9464, 10192, 10437, 11076, 11928, 11999, 12922, 13916, 14196, 14768, 15288, 16562, 18928, 19383, 20874, 22152, 23856, 23998, 24843, 25844, 27832, 28392, 30576, 33124, 35997, 38766, 41748, 44304, 45227, 47996, 49686, 51688, 55664, 56784, 66248, 71994, 77532, 83496, 83993, 90454, 95992, 99372, 103376, 132496, 135681, 143988, 155064, 166992, 167986, 180908, 191984, 198744, 251979, 271362, 287976, 310128, 335972, 361816, 397488, 503958, 542724, 575952, 587951, 671944, 723632, 1007916, 1085448, 1175902, 1343888, 1763853, 2015832, 2170896, 2351804, 3527706, 4031664, 4703608, 7055412, 9407216, 14110824, 28221648]

約数ペア:

[(1, 28221648), (2, 14110824), (3, 9407216), (4, 7055412), (6, 4703608), (7, 4031664), (8, 3527706), (12, 2351804), (13, 2170896), (14, 2015832), (16, 1763853), (21, 1343888), (24, 1175902), (26, 1085448), (28, 1007916), (39, 723632), (42, 671944), (48, 587951), (49, 575952), (52, 542724), (56, 503958), (71, 397488), (78, 361816), (84, 335972), (91, 310128), (98, 287976), (104, 271362), (112, 251979), (142, 198744), (147, 191984), (156, 180908), (168, 167986), (169, 166992), (182, 155064), (196, 143988), (208, 135681), (213, 132496), (273, 103376), (284, 99372), (294, 95992), (312, 90454), (336, 83993), (338, 83496), (364, 77532), (392, 71994), (426, 66248), (497, 56784), (507, 55664), (546, 51688), (568, 49686), (588, 47996), (624, 45227), (637, 44304), (676, 41748), (728, 38766), (784, 35997), (852, 33124), (923, 30576), (994, 28392), (1014, 27832), (1092, 25844), (1136, 24843), (1176, 23998), (1183, 23856), (1274, 22152), (1352, 20874), (1456, 19383), (1491, 18928), (1704, 16562), (1846, 15288), (1911, 14768), (1988, 14196), (2028, 13916), (2184, 12922), (2352, 11999), (2366, 11928), (2548, 11076), (2704, 10437), (2769, 10192), (2982, 9464), (3408, 8281), (3479, 8112), (3549, 7952), (3692, 7644), (3822, 7384), (3976, 7098), (4056, 6958), (4368, 6461), (4732, 5964), (5096, 5538)]