71385356

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{661}}^1$

素因数の和:727

約数の個数: 72

約数和(自身を含む): 158482800

約数和(自身を除く): 87097444

約数列:

[1, 2, 4, 7, 14, 19, 28, 29, 38, 49, 58, 76, 98, 116, 133, 196, 203, 266, 406, 532, 551, 661, 812, 931, 1102, 1322, 1421, 1862, 2204, 2644, 2842, 3724, 3857, 4627, 5684, 7714, 9254, 12559, 15428, 18508, 19169, 25118, 26999, 32389, 38338, 50236, 53998, 64778, 76676, 87913, 107996, 129556, 134183, 175826, 268366, 351652, 364211, 536732, 615391, 728422, 939281, 1230782, 1456844, 1878562, 2461564, 2549477, 3757124, 5098954, 10197908, 17846339, 35692678, 71385356]

約数ペア:

[(1, 71385356), (2, 35692678), (4, 17846339), (7, 10197908), (14, 5098954), (19, 3757124), (28, 2549477), (29, 2461564), (38, 1878562), (49, 1456844), (58, 1230782), (76, 939281), (98, 728422), (116, 615391), (133, 536732), (196, 364211), (203, 351652), (266, 268366), (406, 175826), (532, 134183), (551, 129556), (661, 107996), (812, 87913), (931, 76676), (1102, 64778), (1322, 53998), (1421, 50236), (1862, 38338), (2204, 32389), (2644, 26999), (2842, 25118), (3724, 19169), (3857, 18508), (4627, 15428), (5684, 12559), (7714, 9254)]