28143444

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2081}}^1$

素因数の和:2125

約数の個数: 72

約数和(自身を含む): 79748928

約数和(自身を除く): 51605484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 49, 69, 84, 92, 98, 138, 147, 161, 196, 276, 294, 322, 483, 588, 644, 966, 1127, 1932, 2081, 2254, 3381, 4162, 4508, 6243, 6762, 8324, 12486, 13524, 14567, 24972, 29134, 43701, 47863, 58268, 87402, 95726, 101969, 143589, 174804, 191452, 203938, 287178, 305907, 335041, 407876, 574356, 611814, 670082, 1005123, 1223628, 1340164, 2010246, 2345287, 4020492, 4690574, 7035861, 9381148, 14071722, 28143444]

約数ペア:

[(1, 28143444), (2, 14071722), (3, 9381148), (4, 7035861), (6, 4690574), (7, 4020492), (12, 2345287), (14, 2010246), (21, 1340164), (23, 1223628), (28, 1005123), (42, 670082), (46, 611814), (49, 574356), (69, 407876), (84, 335041), (92, 305907), (98, 287178), (138, 203938), (147, 191452), (161, 174804), (196, 143589), (276, 101969), (294, 95726), (322, 87402), (483, 58268), (588, 47863), (644, 43701), (966, 29134), (1127, 24972), (1932, 14567), (2081, 13524), (2254, 12486), (3381, 8324), (4162, 6762), (4508, 6243)]