7981708

素因数分解:

$2^2\times 7^2\times {\mathrm{193}}^1\times {\mathrm{211}}^1$

素因数の和:422

約数の個数: 36

約数和(自身を含む): 16410072

約数和(自身を除く): 8428364

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 193, 196, 211, 386, 422, 772, 844, 1351, 1477, 2702, 2954, 5404, 5908, 9457, 10339, 18914, 20678, 37828, 40723, 41356, 81446, 162892, 285061, 570122, 1140244, 1995427, 3990854, 7981708]

約数ペア:

[(1, 7981708), (2, 3990854), (4, 1995427), (7, 1140244), (14, 570122), (28, 285061), (49, 162892), (98, 81446), (193, 41356), (196, 40723), (211, 37828), (386, 20678), (422, 18914), (772, 10339), (844, 9457), (1351, 5908), (1477, 5404), (2702, 2954)]