81309816

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1213}}^1$

素因数の和:1258

約数の個数: 144

約数和(自身を含む): 269872200

約数和(自身を除く): 188562384

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 28, 36, 38, 42, 49, 56, 57, 63, 72, 76, 84, 98, 114, 126, 133, 147, 152, 168, 171, 196, 228, 252, 266, 294, 342, 392, 399, 441, 456, 504, 532, 588, 684, 798, 882, 931, 1064, 1176, 1197, 1213, 1368, 1596, 1764, 1862, 2394, 2426, 2793, 3192, 3528, 3639, 3724, 4788, 4852, 5586, 7278, 7448, 8379, 8491, 9576, 9704, 10917, 11172, 14556, 16758, 16982, 21834, 22344, 23047, 25473, 29112, 33516, 33964, 43668, 46094, 50946, 59437, 67032, 67928, 69141, 76419, 87336, 92188, 101892, 118874, 138282, 152838, 161329, 178311, 184376, 203784, 207423, 237748, 276564, 305676, 322658, 356622, 414846, 475496, 483987, 534933, 553128, 611352, 645316, 713244, 829692, 967974, 1069866, 1129303, 1290632, 1426488, 1451961, 1659384, 1935948, 2139732, 2258606, 2903922, 3387909, 3871896, 4279464, 4517212, 5807844, 6775818, 9034424, 10163727, 11615688, 13551636, 20327454, 27103272, 40654908, 81309816]

約数ペア:

[(1, 81309816), (2, 40654908), (3, 27103272), (4, 20327454), (6, 13551636), (7, 11615688), (8, 10163727), (9, 9034424), (12, 6775818), (14, 5807844), (18, 4517212), (19, 4279464), (21, 3871896), (24, 3387909), (28, 2903922), (36, 2258606), (38, 2139732), (42, 1935948), (49, 1659384), (56, 1451961), (57, 1426488), (63, 1290632), (72, 1129303), (76, 1069866), (84, 967974), (98, 829692), (114, 713244), (126, 645316), (133, 611352), (147, 553128), (152, 534933), (168, 483987), (171, 475496), (196, 414846), (228, 356622), (252, 322658), (266, 305676), (294, 276564), (342, 237748), (392, 207423), (399, 203784), (441, 184376), (456, 178311), (504, 161329), (532, 152838), (588, 138282), (684, 118874), (798, 101892), (882, 92188), (931, 87336), (1064, 76419), (1176, 69141), (1197, 67928), (1213, 67032), (1368, 59437), (1596, 50946), (1764, 46094), (1862, 43668), (2394, 33964), (2426, 33516), (2793, 29112), (3192, 25473), (3528, 23047), (3639, 22344), (3724, 21834), (4788, 16982), (4852, 16758), (5586, 14556), (7278, 11172), (7448, 10917), (8379, 9704), (8491, 9576)]