218804542

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{10159}}^1$

素因数の和:10272

約数の個数: 24

約数和(自身を含む): 364845600

約数和(自身を除く): 146041058

約数列:

[1, 2, 11, 22, 89, 121, 178, 242, 979, 1958, 10159, 10769, 20318, 21538, 111749, 223498, 904151, 1229239, 1808302, 2458478, 9945661, 19891322, 109402271, 218804542]

約数ペア:

[(1, 218804542), (2, 109402271), (11, 19891322), (22, 9945661), (89, 2458478), (121, 1808302), (178, 1229239), (242, 904151), (979, 223498), (1958, 111749), (10159, 21538), (10769, 20318)]