12998888

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^2\times {\mathrm{643}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 29443680

約数和(自身を除く): 16444792

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 361, 532, 643, 722, 1064, 1286, 1444, 2527, 2572, 2888, 4501, 5054, 5144, 9002, 10108, 12217, 18004, 20216, 24434, 36008, 48868, 85519, 97736, 171038, 232123, 342076, 464246, 684152, 928492, 1624861, 1856984, 3249722, 6499444, 12998888]

約数ペア:

[(1, 12998888), (2, 6499444), (4, 3249722), (7, 1856984), (8, 1624861), (14, 928492), (19, 684152), (28, 464246), (38, 342076), (56, 232123), (76, 171038), (133, 97736), (152, 85519), (266, 48868), (361, 36008), (532, 24434), (643, 20216), (722, 18004), (1064, 12217), (1286, 10108), (1444, 9002), (2527, 5144), (2572, 5054), (2888, 4501)]