28759518

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{509}}^1$

素因数の和:633

約数の個数: 48

約数和(自身を含む): 64761840

約数和(自身を除く): 36002322

約数列:

[1, 2, 3, 6, 9, 18, 43, 73, 86, 129, 146, 219, 258, 387, 438, 509, 657, 774, 1018, 1314, 1527, 3054, 3139, 4581, 6278, 9162, 9417, 18834, 21887, 28251, 37157, 43774, 56502, 65661, 74314, 111471, 131322, 196983, 222942, 334413, 393966, 668826, 1597751, 3195502, 4793253, 9586506, 14379759, 28759518]

約数ペア:

[(1, 28759518), (2, 14379759), (3, 9586506), (6, 4793253), (9, 3195502), (18, 1597751), (43, 668826), (73, 393966), (86, 334413), (129, 222942), (146, 196983), (219, 131322), (258, 111471), (387, 74314), (438, 65661), (509, 56502), (657, 43774), (774, 37157), (1018, 28251), (1314, 21887), (1527, 18834), (3054, 9417), (3139, 9162), (4581, 6278)]