28766355

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{433}}^1$

素因数の和:587

約数の個数: 32

約数和(自身を含む): 47663616

約数和(自身を除く): 18897261

約数列:

[1, 3, 5, 15, 43, 103, 129, 215, 309, 433, 515, 645, 1299, 1545, 2165, 4429, 6495, 13287, 18619, 22145, 44599, 55857, 66435, 93095, 133797, 222995, 279285, 668985, 1917757, 5753271, 9588785, 28766355]

約数ペア:

[(1, 28766355), (3, 9588785), (5, 5753271), (15, 1917757), (43, 668985), (103, 279285), (129, 222995), (215, 133797), (309, 93095), (433, 66435), (515, 55857), (645, 44599), (1299, 22145), (1545, 18619), (2165, 13287), (4429, 6495)]