647251812

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{36469}}^1$

素因数の和:36525

約数の個数: 72

約数和(自身を含む): 1792135800

約数和(自身を除く): 1144883988

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 29, 34, 36, 51, 58, 68, 87, 102, 116, 153, 174, 204, 261, 306, 348, 493, 522, 612, 986, 1044, 1479, 1972, 2958, 4437, 5916, 8874, 17748, 36469, 72938, 109407, 145876, 218814, 328221, 437628, 619973, 656442, 1057601, 1239946, 1312884, 1859919, 2115202, 2479892, 3172803, 3719838, 4230404, 5579757, 6345606, 7439676, 9518409, 11159514, 12691212, 17979217, 19036818, 22319028, 35958434, 38073636, 53937651, 71916868, 107875302, 161812953, 215750604, 323625906, 647251812]

約数ペア:

[(1, 647251812), (2, 323625906), (3, 215750604), (4, 161812953), (6, 107875302), (9, 71916868), (12, 53937651), (17, 38073636), (18, 35958434), (29, 22319028), (34, 19036818), (36, 17979217), (51, 12691212), (58, 11159514), (68, 9518409), (87, 7439676), (102, 6345606), (116, 5579757), (153, 4230404), (174, 3719838), (204, 3172803), (261, 2479892), (306, 2115202), (348, 1859919), (493, 1312884), (522, 1239946), (612, 1057601), (986, 656442), (1044, 619973), (1479, 437628), (1972, 328221), (2958, 218814), (4437, 145876), (5916, 109407), (8874, 72938), (17748, 36469)]