28121814

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{307}}^1\times {\mathrm{727}}^1$

素因数の和:1049

約数の個数: 48

約数和(自身を含む): 69957888

約数和(自身を除く): 41836074

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 307, 614, 727, 921, 1454, 1842, 2149, 2181, 2763, 4298, 4362, 5089, 5526, 6447, 6543, 10178, 12894, 13086, 15267, 19341, 30534, 38682, 45801, 91602, 223189, 446378, 669567, 1339134, 1562323, 2008701, 3124646, 4017402, 4686969, 9373938, 14060907, 28121814]

約数ペア:

[(1, 28121814), (2, 14060907), (3, 9373938), (6, 4686969), (7, 4017402), (9, 3124646), (14, 2008701), (18, 1562323), (21, 1339134), (42, 669567), (63, 446378), (126, 223189), (307, 91602), (614, 45801), (727, 38682), (921, 30534), (1454, 19341), (1842, 15267), (2149, 13086), (2181, 12894), (2763, 10178), (4298, 6543), (4362, 6447), (5089, 5526)]