31089276

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{307}}^1$

素因数の和:443

約数の個数: 72

約数和(自身を含む): 82402320

約数和(自身を除く): 51313044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 97, 116, 174, 194, 261, 291, 307, 348, 388, 522, 582, 614, 873, 921, 1044, 1164, 1228, 1746, 1842, 2763, 2813, 3492, 3684, 5526, 5626, 8439, 8903, 11052, 11252, 16878, 17806, 25317, 26709, 29779, 33756, 35612, 50634, 53418, 59558, 80127, 89337, 101268, 106836, 119116, 160254, 178674, 268011, 320508, 357348, 536022, 863591, 1072044, 1727182, 2590773, 3454364, 5181546, 7772319, 10363092, 15544638, 31089276]

約数ペア:

[(1, 31089276), (2, 15544638), (3, 10363092), (4, 7772319), (6, 5181546), (9, 3454364), (12, 2590773), (18, 1727182), (29, 1072044), (36, 863591), (58, 536022), (87, 357348), (97, 320508), (116, 268011), (174, 178674), (194, 160254), (261, 119116), (291, 106836), (307, 101268), (348, 89337), (388, 80127), (522, 59558), (582, 53418), (614, 50634), (873, 35612), (921, 33756), (1044, 29779), (1164, 26709), (1228, 25317), (1746, 17806), (1842, 16878), (2763, 11252), (2813, 11052), (3492, 8903), (3684, 8439), (5526, 5626)]