80347652

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{449}}^1$

素因数の和:561

約数の個数: 72

約数和(自身を含む): 180986400

約数和(自身を除く): 100638748

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 83, 98, 154, 166, 196, 308, 332, 449, 539, 581, 898, 913, 1078, 1162, 1796, 1826, 2156, 2324, 3143, 3652, 4067, 4939, 6286, 6391, 8134, 9878, 12572, 12782, 16268, 19756, 22001, 25564, 34573, 37267, 44002, 44737, 69146, 74534, 88004, 89474, 138292, 149068, 178948, 242011, 260869, 409937, 484022, 521738, 819874, 968044, 1043476, 1639748, 1826083, 2869559, 3652166, 5739118, 7304332, 11478236, 20086913, 40173826, 80347652]

約数ペア:

[(1, 80347652), (2, 40173826), (4, 20086913), (7, 11478236), (11, 7304332), (14, 5739118), (22, 3652166), (28, 2869559), (44, 1826083), (49, 1639748), (77, 1043476), (83, 968044), (98, 819874), (154, 521738), (166, 484022), (196, 409937), (308, 260869), (332, 242011), (449, 178948), (539, 149068), (581, 138292), (898, 89474), (913, 88004), (1078, 74534), (1162, 69146), (1796, 44737), (1826, 44002), (2156, 37267), (2324, 34573), (3143, 25564), (3652, 22001), (4067, 19756), (4939, 16268), (6286, 12782), (6391, 12572), (8134, 9878)]