12990984

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{919}}^1$

素因数の和:978

約数の個数: 64

約数和(自身を含む): 35328000

約数和(自身を除く): 22337016

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 31, 38, 57, 62, 76, 93, 114, 124, 152, 186, 228, 248, 372, 456, 589, 744, 919, 1178, 1767, 1838, 2356, 2757, 3534, 3676, 4712, 5514, 7068, 7352, 11028, 14136, 17461, 22056, 28489, 34922, 52383, 56978, 69844, 85467, 104766, 113956, 139688, 170934, 209532, 227912, 341868, 419064, 541291, 683736, 1082582, 1623873, 2165164, 3247746, 4330328, 6495492, 12990984]

約数ペア:

[(1, 12990984), (2, 6495492), (3, 4330328), (4, 3247746), (6, 2165164), (8, 1623873), (12, 1082582), (19, 683736), (24, 541291), (31, 419064), (38, 341868), (57, 227912), (62, 209532), (76, 170934), (93, 139688), (114, 113956), (124, 104766), (152, 85467), (186, 69844), (228, 56978), (248, 52383), (372, 34922), (456, 28489), (589, 22056), (744, 17461), (919, 14136), (1178, 11028), (1767, 7352), (1838, 7068), (2356, 5514), (2757, 4712), (3534, 3676)]