77817978

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{1063}}^1$

素因数の和:1168

約数の個数: 72

約数和(自身を含む): 198682848

約数和(自身を除く): 120864870

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 83, 98, 126, 147, 166, 249, 294, 441, 498, 581, 747, 882, 1063, 1162, 1494, 1743, 2126, 3189, 3486, 4067, 5229, 6378, 7441, 8134, 9567, 10458, 12201, 14882, 19134, 22323, 24402, 36603, 44646, 52087, 66969, 73206, 88229, 104174, 133938, 156261, 176458, 264687, 312522, 468783, 529374, 617603, 794061, 937566, 1235206, 1588122, 1852809, 3705618, 4323221, 5558427, 8646442, 11116854, 12969663, 25939326, 38908989, 77817978]

約数ペア:

[(1, 77817978), (2, 38908989), (3, 25939326), (6, 12969663), (7, 11116854), (9, 8646442), (14, 5558427), (18, 4323221), (21, 3705618), (42, 1852809), (49, 1588122), (63, 1235206), (83, 937566), (98, 794061), (126, 617603), (147, 529374), (166, 468783), (249, 312522), (294, 264687), (441, 176458), (498, 156261), (581, 133938), (747, 104174), (882, 88229), (1063, 73206), (1162, 66969), (1494, 52087), (1743, 44646), (2126, 36603), (3189, 24402), (3486, 22323), (4067, 19134), (5229, 14882), (6378, 12201), (7441, 10458), (8134, 9567)]