998868

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 2649920

約数和(自身を除く): 1651052

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 337, 494, 674, 741, 988, 1011, 1348, 1482, 2022, 2964, 4044, 4381, 6403, 8762, 12806, 13143, 17524, 19209, 25612, 26286, 38418, 52572, 76836, 83239, 166478, 249717, 332956, 499434, 998868]

約数ペア:

[(1, 998868), (2, 499434), (3, 332956), (4, 249717), (6, 166478), (12, 83239), (13, 76836), (19, 52572), (26, 38418), (38, 26286), (39, 25612), (52, 19209), (57, 17524), (76, 13143), (78, 12806), (114, 8762), (156, 6403), (228, 4381), (247, 4044), (337, 2964), (494, 2022), (674, 1482), (741, 1348), (988, 1011)]