28413924

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:246

約数の個数: 144

約数和(自身を含む): 88252416

約数和(自身を除く): 59838492

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 23, 28, 33, 42, 44, 46, 49, 66, 69, 77, 84, 92, 98, 132, 138, 147, 154, 161, 191, 196, 231, 253, 276, 294, 308, 322, 382, 462, 483, 506, 539, 573, 588, 644, 759, 764, 924, 966, 1012, 1078, 1127, 1146, 1337, 1518, 1617, 1771, 1932, 2101, 2156, 2254, 2292, 2674, 3036, 3234, 3381, 3542, 4011, 4202, 4393, 4508, 5313, 5348, 6303, 6468, 6762, 7084, 8022, 8404, 8786, 9359, 10626, 12397, 12606, 13179, 13524, 14707, 16044, 17572, 18718, 21252, 24794, 25212, 26358, 28077, 29414, 30751, 37191, 37436, 44121, 48323, 49588, 52716, 56154, 58828, 61502, 74382, 88242, 92253, 96646, 102949, 112308, 123004, 144969, 148764, 176484, 184506, 193292, 205898, 215257, 289938, 308847, 338261, 369012, 411796, 430514, 579876, 617694, 645771, 676522, 861028, 1014783, 1235388, 1291542, 1353044, 2029566, 2367827, 2583084, 4059132, 4735654, 7103481, 9471308, 14206962, 28413924]

約数ペア:

[(1, 28413924), (2, 14206962), (3, 9471308), (4, 7103481), (6, 4735654), (7, 4059132), (11, 2583084), (12, 2367827), (14, 2029566), (21, 1353044), (22, 1291542), (23, 1235388), (28, 1014783), (33, 861028), (42, 676522), (44, 645771), (46, 617694), (49, 579876), (66, 430514), (69, 411796), (77, 369012), (84, 338261), (92, 308847), (98, 289938), (132, 215257), (138, 205898), (147, 193292), (154, 184506), (161, 176484), (191, 148764), (196, 144969), (231, 123004), (253, 112308), (276, 102949), (294, 96646), (308, 92253), (322, 88242), (382, 74382), (462, 61502), (483, 58828), (506, 56154), (539, 52716), (573, 49588), (588, 48323), (644, 44121), (759, 37436), (764, 37191), (924, 30751), (966, 29414), (1012, 28077), (1078, 26358), (1127, 25212), (1146, 24794), (1337, 21252), (1518, 18718), (1617, 17572), (1771, 16044), (1932, 14707), (2101, 13524), (2156, 13179), (2254, 12606), (2292, 12397), (2674, 10626), (3036, 9359), (3234, 8786), (3381, 8404), (3542, 8022), (4011, 7084), (4202, 6762), (4393, 6468), (4508, 6303), (5313, 5348)]