28145376

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{607}}^1$

素因数の和:653

約数の個数: 144

約数和(自身を含む): 95606784

約数和(自身を除く): 67461408

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 28, 32, 36, 42, 46, 48, 56, 63, 69, 72, 84, 92, 96, 112, 126, 138, 144, 161, 168, 184, 207, 224, 252, 276, 288, 322, 336, 368, 414, 483, 504, 552, 607, 644, 672, 736, 828, 966, 1008, 1104, 1214, 1288, 1449, 1656, 1821, 1932, 2016, 2208, 2428, 2576, 2898, 3312, 3642, 3864, 4249, 4856, 5152, 5463, 5796, 6624, 7284, 7728, 8498, 9712, 10926, 11592, 12747, 13961, 14568, 15456, 16996, 19424, 21852, 23184, 25494, 27922, 29136, 33992, 38241, 41883, 43704, 46368, 50988, 55844, 58272, 67984, 76482, 83766, 87408, 97727, 101976, 111688, 125649, 135968, 152964, 167532, 174816, 195454, 203952, 223376, 251298, 293181, 305928, 335064, 390908, 407904, 446752, 502596, 586362, 611856, 670128, 781816, 879543, 1005192, 1172724, 1223712, 1340256, 1563632, 1759086, 2010384, 2345448, 3127264, 3518172, 4020768, 4690896, 7036344, 9381792, 14072688, 28145376]

約数ペア:

[(1, 28145376), (2, 14072688), (3, 9381792), (4, 7036344), (6, 4690896), (7, 4020768), (8, 3518172), (9, 3127264), (12, 2345448), (14, 2010384), (16, 1759086), (18, 1563632), (21, 1340256), (23, 1223712), (24, 1172724), (28, 1005192), (32, 879543), (36, 781816), (42, 670128), (46, 611856), (48, 586362), (56, 502596), (63, 446752), (69, 407904), (72, 390908), (84, 335064), (92, 305928), (96, 293181), (112, 251298), (126, 223376), (138, 203952), (144, 195454), (161, 174816), (168, 167532), (184, 152964), (207, 135968), (224, 125649), (252, 111688), (276, 101976), (288, 97727), (322, 87408), (336, 83766), (368, 76482), (414, 67984), (483, 58272), (504, 55844), (552, 50988), (607, 46368), (644, 43704), (672, 41883), (736, 38241), (828, 33992), (966, 29136), (1008, 27922), (1104, 25494), (1214, 23184), (1288, 21852), (1449, 19424), (1656, 16996), (1821, 15456), (1932, 14568), (2016, 13961), (2208, 12747), (2428, 11592), (2576, 10926), (2898, 9712), (3312, 8498), (3642, 7728), (3864, 7284), (4249, 6624), (4856, 5796), (5152, 5463)]