678479906

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{683}}^1\times {\mathrm{2939}}^1$

素因数の和:3650

約数の個数: 24

約数和(自身を含む): 1104017040

約数和(自身を除く): 425537134

約数列:

[1, 2, 13, 26, 169, 338, 683, 1366, 2939, 5878, 8879, 17758, 38207, 76414, 115427, 230854, 496691, 993382, 2007337, 4014674, 26095381, 52190762, 339239953, 678479906]

約数ペア:

[(1, 678479906), (2, 339239953), (13, 52190762), (26, 26095381), (169, 4014674), (338, 2007337), (683, 993382), (1366, 496691), (2939, 230854), (5878, 115427), (8879, 76414), (17758, 38207)]