897256808

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:371

約数の個数: 128

約数和(自身を含む): 2080819200

約数和(自身を除く): 1183562392

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 37, 56, 61, 62, 74, 122, 124, 148, 217, 229, 244, 248, 259, 296, 427, 434, 458, 488, 518, 854, 868, 916, 1036, 1147, 1603, 1708, 1736, 1832, 1891, 2072, 2257, 2294, 3206, 3416, 3782, 4514, 4588, 6412, 7099, 7564, 8029, 8473, 9028, 9176, 12824, 13237, 13969, 14198, 15128, 15799, 16058, 16946, 18056, 26474, 27938, 28396, 31598, 32116, 33892, 49693, 52948, 55876, 56792, 59311, 63196, 64232, 67784, 69967, 97783, 99386, 105896, 111752, 118622, 126392, 139934, 195566, 198772, 237244, 262663, 279868, 391132, 397544, 433039, 474488, 489769, 516853, 525326, 559736, 782264, 866078, 979538, 1033706, 1050652, 1732156, 1838641, 1959076, 2067412, 2101304, 3031273, 3464312, 3617971, 3677282, 3918152, 4134824, 6062546, 7235942, 7354564, 12125092, 14471884, 14709128, 16022443, 24250184, 28943768, 32044886, 64089772, 112157101, 128179544, 224314202, 448628404, 897256808]

約数ペア:

[(1, 897256808), (2, 448628404), (4, 224314202), (7, 128179544), (8, 112157101), (14, 64089772), (28, 32044886), (31, 28943768), (37, 24250184), (56, 16022443), (61, 14709128), (62, 14471884), (74, 12125092), (122, 7354564), (124, 7235942), (148, 6062546), (217, 4134824), (229, 3918152), (244, 3677282), (248, 3617971), (259, 3464312), (296, 3031273), (427, 2101304), (434, 2067412), (458, 1959076), (488, 1838641), (518, 1732156), (854, 1050652), (868, 1033706), (916, 979538), (1036, 866078), (1147, 782264), (1603, 559736), (1708, 525326), (1736, 516853), (1832, 489769), (1891, 474488), (2072, 433039), (2257, 397544), (2294, 391132), (3206, 279868), (3416, 262663), (3782, 237244), (4514, 198772), (4588, 195566), (6412, 139934), (7099, 126392), (7564, 118622), (8029, 111752), (8473, 105896), (9028, 99386), (9176, 97783), (12824, 69967), (13237, 67784), (13969, 64232), (14198, 63196), (15128, 59311), (15799, 56792), (16058, 55876), (16946, 52948), (18056, 49693), (26474, 33892), (27938, 32116), (28396, 31598)]