217754628

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{467}}^1$

素因数の和:562

約数の個数: 144

約数和(自身を含む): 648333504

約数和(自身を除く): 430578876

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 61, 78, 84, 91, 98, 122, 147, 156, 182, 183, 196, 244, 273, 294, 364, 366, 427, 467, 546, 588, 637, 732, 793, 854, 934, 1092, 1274, 1281, 1401, 1586, 1708, 1868, 1911, 2379, 2548, 2562, 2802, 2989, 3172, 3269, 3822, 4758, 5124, 5551, 5604, 5978, 6071, 6538, 7644, 8967, 9516, 9807, 11102, 11956, 12142, 13076, 16653, 17934, 18213, 19614, 22204, 22883, 24284, 28487, 33306, 35868, 36426, 38857, 39228, 42497, 45766, 56974, 66612, 68649, 72852, 77714, 84994, 85461, 91532, 113948, 116571, 127491, 137298, 155428, 169988, 170922, 199409, 233142, 254982, 274596, 297479, 341844, 370331, 398818, 466284, 509964, 594958, 598227, 740662, 797636, 892437, 1110993, 1189916, 1196454, 1395863, 1481324, 1784874, 2221986, 2392908, 2592317, 2791726, 3569748, 4187589, 4443972, 5184634, 5583452, 7776951, 8375178, 10369268, 15553902, 16750356, 18146219, 31107804, 36292438, 54438657, 72584876, 108877314, 217754628]

約数ペア:

[(1, 217754628), (2, 108877314), (3, 72584876), (4, 54438657), (6, 36292438), (7, 31107804), (12, 18146219), (13, 16750356), (14, 15553902), (21, 10369268), (26, 8375178), (28, 7776951), (39, 5583452), (42, 5184634), (49, 4443972), (52, 4187589), (61, 3569748), (78, 2791726), (84, 2592317), (91, 2392908), (98, 2221986), (122, 1784874), (147, 1481324), (156, 1395863), (182, 1196454), (183, 1189916), (196, 1110993), (244, 892437), (273, 797636), (294, 740662), (364, 598227), (366, 594958), (427, 509964), (467, 466284), (546, 398818), (588, 370331), (637, 341844), (732, 297479), (793, 274596), (854, 254982), (934, 233142), (1092, 199409), (1274, 170922), (1281, 169988), (1401, 155428), (1586, 137298), (1708, 127491), (1868, 116571), (1911, 113948), (2379, 91532), (2548, 85461), (2562, 84994), (2802, 77714), (2989, 72852), (3172, 68649), (3269, 66612), (3822, 56974), (4758, 45766), (5124, 42497), (5551, 39228), (5604, 38857), (5978, 36426), (6071, 35868), (6538, 33306), (7644, 28487), (8967, 24284), (9516, 22883), (9807, 22204), (11102, 19614), (11956, 18213), (12142, 17934), (13076, 16653)]