28919618

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{719}}^1$

素因数の和:771

約数の個数: 48

約数和(自身を含む): 56920320

約数和(自身を除く): 28000702

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 91, 119, 169, 182, 221, 238, 338, 442, 719, 1183, 1438, 1547, 2366, 2873, 3094, 5033, 5746, 9347, 10066, 12223, 18694, 20111, 24446, 40222, 65429, 85561, 121511, 130858, 158899, 171122, 243022, 317798, 850577, 1112293, 1701154, 2065687, 2224586, 4131374, 14459809, 28919618]

約数ペア:

[(1, 28919618), (2, 14459809), (7, 4131374), (13, 2224586), (14, 2065687), (17, 1701154), (26, 1112293), (34, 850577), (91, 317798), (119, 243022), (169, 171122), (182, 158899), (221, 130858), (238, 121511), (338, 85561), (442, 65429), (719, 40222), (1183, 24446), (1438, 20111), (1547, 18694), (2366, 12223), (2873, 10066), (3094, 9347), (5033, 5746)]