2528988

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:72

約数の個数: 144

約数和(自身を含む): 8273664

約数和(自身を除く): 5744676

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 17, 21, 22, 23, 28, 33, 34, 42, 44, 46, 49, 51, 66, 68, 69, 77, 84, 92, 98, 102, 119, 132, 138, 147, 154, 161, 187, 196, 204, 231, 238, 253, 276, 294, 308, 322, 357, 374, 391, 462, 476, 483, 506, 539, 561, 588, 644, 714, 748, 759, 782, 833, 924, 966, 1012, 1078, 1122, 1127, 1173, 1309, 1428, 1518, 1564, 1617, 1666, 1771, 1932, 2156, 2244, 2254, 2346, 2499, 2618, 2737, 3036, 3234, 3332, 3381, 3542, 3927, 4301, 4508, 4692, 4998, 5236, 5313, 5474, 6468, 6762, 7084, 7854, 8211, 8602, 9163, 9996, 10626, 10948, 12397, 12903, 13524, 15708, 16422, 17204, 18326, 19159, 21252, 24794, 25806, 27489, 30107, 32844, 36652, 37191, 38318, 49588, 51612, 54978, 57477, 60214, 74382, 76636, 90321, 109956, 114954, 120428, 148764, 180642, 210749, 229908, 361284, 421498, 632247, 842996, 1264494, 2528988]

約数ペア:

[(1, 2528988), (2, 1264494), (3, 842996), (4, 632247), (6, 421498), (7, 361284), (11, 229908), (12, 210749), (14, 180642), (17, 148764), (21, 120428), (22, 114954), (23, 109956), (28, 90321), (33, 76636), (34, 74382), (42, 60214), (44, 57477), (46, 54978), (49, 51612), (51, 49588), (66, 38318), (68, 37191), (69, 36652), (77, 32844), (84, 30107), (92, 27489), (98, 25806), (102, 24794), (119, 21252), (132, 19159), (138, 18326), (147, 17204), (154, 16422), (161, 15708), (187, 13524), (196, 12903), (204, 12397), (231, 10948), (238, 10626), (253, 9996), (276, 9163), (294, 8602), (308, 8211), (322, 7854), (357, 7084), (374, 6762), (391, 6468), (462, 5474), (476, 5313), (483, 5236), (506, 4998), (539, 4692), (561, 4508), (588, 4301), (644, 3927), (714, 3542), (748, 3381), (759, 3332), (782, 3234), (833, 3036), (924, 2737), (966, 2618), (1012, 2499), (1078, 2346), (1122, 2254), (1127, 2244), (1173, 2156), (1309, 1932), (1428, 1771), (1518, 1666), (1564, 1617)]