680804956

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1\times {\mathrm{743}}^1$

素因数の和:1090

約数の個数: 48

約数和(自身を含む): 1308916224

約数和(自身を除く): 628111268

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 263, 268, 526, 743, 871, 1052, 1486, 1742, 2972, 3419, 3484, 6838, 9659, 13676, 17621, 19318, 35242, 38636, 49781, 70484, 99562, 195409, 199124, 229073, 390818, 458146, 647153, 781636, 916292, 1294306, 2540317, 2588612, 5080634, 10161268, 13092403, 26184806, 52369612, 170201239, 340402478, 680804956]

約数ペア:

[(1, 680804956), (2, 340402478), (4, 170201239), (13, 52369612), (26, 26184806), (52, 13092403), (67, 10161268), (134, 5080634), (263, 2588612), (268, 2540317), (526, 1294306), (743, 916292), (871, 781636), (1052, 647153), (1486, 458146), (1742, 390818), (2972, 229073), (3419, 199124), (3484, 195409), (6838, 99562), (9659, 70484), (13676, 49781), (17621, 38636), (19318, 35242)]