28551656

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:294

約数の個数: 64

約数和(自身を含む): 63866880

約数和(自身を除く): 35315224

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 71, 86, 142, 167, 172, 284, 301, 334, 344, 497, 568, 602, 668, 994, 1169, 1204, 1336, 1988, 2338, 2408, 3053, 3976, 4676, 6106, 7181, 9352, 11857, 12212, 14362, 21371, 23714, 24424, 28724, 42742, 47428, 50267, 57448, 82999, 85484, 94856, 100534, 165998, 170968, 201068, 331996, 402136, 509851, 663992, 1019702, 2039404, 3568957, 4078808, 7137914, 14275828, 28551656]

約数ペア:

[(1, 28551656), (2, 14275828), (4, 7137914), (7, 4078808), (8, 3568957), (14, 2039404), (28, 1019702), (43, 663992), (56, 509851), (71, 402136), (86, 331996), (142, 201068), (167, 170968), (172, 165998), (284, 100534), (301, 94856), (334, 85484), (344, 82999), (497, 57448), (568, 50267), (602, 47428), (668, 42742), (994, 28724), (1169, 24424), (1204, 23714), (1336, 21371), (1988, 14362), (2338, 12212), (2408, 11857), (3053, 9352), (3976, 7181), (4676, 6106)]