8717238

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:457

約数の個数: 48

約数和(自身を含む): 20217600

約数和(自身を除く): 11500362

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 71, 114, 142, 171, 213, 342, 359, 426, 639, 718, 1077, 1278, 1349, 2154, 2698, 3231, 4047, 6462, 6821, 8094, 12141, 13642, 20463, 24282, 25489, 40926, 50978, 61389, 76467, 122778, 152934, 229401, 458802, 484291, 968582, 1452873, 2905746, 4358619, 8717238]

約数ペア:

[(1, 8717238), (2, 4358619), (3, 2905746), (6, 1452873), (9, 968582), (18, 484291), (19, 458802), (38, 229401), (57, 152934), (71, 122778), (114, 76467), (142, 61389), (171, 50978), (213, 40926), (342, 25489), (359, 24282), (426, 20463), (639, 13642), (718, 12141), (1077, 8094), (1278, 6821), (1349, 6462), (2154, 4047), (2698, 3231)]