128457396

素因数分解:

$2^2\times 3^2\times {\mathrm{59}}^1\times {\mathrm{197}}^1\times {\mathrm{307}}^1$

素因数の和:573

約数の個数: 72

約数和(自身を含む): 332972640

約数和(自身を除く): 204515244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 59, 118, 177, 197, 236, 307, 354, 394, 531, 591, 614, 708, 788, 921, 1062, 1182, 1228, 1773, 1842, 2124, 2364, 2763, 3546, 3684, 5526, 7092, 11052, 11623, 18113, 23246, 34869, 36226, 46492, 54339, 60479, 69738, 72452, 104607, 108678, 120958, 139476, 163017, 181437, 209214, 217356, 241916, 326034, 362874, 418428, 544311, 652068, 725748, 1088622, 2177244, 3568261, 7136522, 10704783, 14273044, 21409566, 32114349, 42819132, 64228698, 128457396]

約数ペア:

[(1, 128457396), (2, 64228698), (3, 42819132), (4, 32114349), (6, 21409566), (9, 14273044), (12, 10704783), (18, 7136522), (36, 3568261), (59, 2177244), (118, 1088622), (177, 725748), (197, 652068), (236, 544311), (307, 418428), (354, 362874), (394, 326034), (531, 241916), (591, 217356), (614, 209214), (708, 181437), (788, 163017), (921, 139476), (1062, 120958), (1182, 108678), (1228, 104607), (1773, 72452), (1842, 69738), (2124, 60479), (2364, 54339), (2763, 46492), (3546, 36226), (3684, 34869), (5526, 23246), (7092, 18113), (11052, 11623)]