28214928

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1217}}^1$

素因数の和:1261

約数の個数: 120

約数和(自身を含む): 94243968

約数和(自身を除く): 66029040

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 28, 36, 42, 46, 48, 56, 63, 69, 72, 84, 92, 112, 126, 138, 144, 161, 168, 184, 207, 252, 276, 322, 336, 368, 414, 483, 504, 552, 644, 828, 966, 1008, 1104, 1217, 1288, 1449, 1656, 1932, 2434, 2576, 2898, 3312, 3651, 3864, 4868, 5796, 7302, 7728, 8519, 9736, 10953, 11592, 14604, 17038, 19472, 21906, 23184, 25557, 27991, 29208, 34076, 43812, 51114, 55982, 58416, 68152, 76671, 83973, 87624, 102228, 111964, 136304, 153342, 167946, 175248, 195937, 204456, 223928, 251919, 306684, 335892, 391874, 408912, 447856, 503838, 587811, 613368, 671784, 783748, 1007676, 1175622, 1226736, 1343568, 1567496, 1763433, 2015352, 2351244, 3134992, 3526866, 4030704, 4702488, 7053732, 9404976, 14107464, 28214928]

約数ペア:

[(1, 28214928), (2, 14107464), (3, 9404976), (4, 7053732), (6, 4702488), (7, 4030704), (8, 3526866), (9, 3134992), (12, 2351244), (14, 2015352), (16, 1763433), (18, 1567496), (21, 1343568), (23, 1226736), (24, 1175622), (28, 1007676), (36, 783748), (42, 671784), (46, 613368), (48, 587811), (56, 503838), (63, 447856), (69, 408912), (72, 391874), (84, 335892), (92, 306684), (112, 251919), (126, 223928), (138, 204456), (144, 195937), (161, 175248), (168, 167946), (184, 153342), (207, 136304), (252, 111964), (276, 102228), (322, 87624), (336, 83973), (368, 76671), (414, 68152), (483, 58416), (504, 55982), (552, 51114), (644, 43812), (828, 34076), (966, 29208), (1008, 27991), (1104, 25557), (1217, 23184), (1288, 21906), (1449, 19472), (1656, 17038), (1932, 14604), (2434, 11592), (2576, 10953), (2898, 9736), (3312, 8519), (3651, 7728), (3864, 7302), (4868, 5796)]