128181904

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{1459}}^1$

素因数の和:1520

約数の個数: 60

約数和(自身を含む): 277896400

約数和(自身を除く): 149714496

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 289, 304, 323, 578, 646, 1156, 1292, 1459, 2312, 2584, 2918, 4624, 5168, 5491, 5836, 10982, 11672, 21964, 23344, 24803, 27721, 43928, 49606, 55442, 87856, 99212, 110884, 198424, 221768, 396848, 421651, 443536, 471257, 843302, 942514, 1686604, 1885028, 3373208, 3770056, 6746416, 7540112, 8011369, 16022738, 32045476, 64090952, 128181904]

約数ペア:

[(1, 128181904), (2, 64090952), (4, 32045476), (8, 16022738), (16, 8011369), (17, 7540112), (19, 6746416), (34, 3770056), (38, 3373208), (68, 1885028), (76, 1686604), (136, 942514), (152, 843302), (272, 471257), (289, 443536), (304, 421651), (323, 396848), (578, 221768), (646, 198424), (1156, 110884), (1292, 99212), (1459, 87856), (2312, 55442), (2584, 49606), (2918, 43928), (4624, 27721), (5168, 24803), (5491, 23344), (5836, 21964), (10982, 11672)]