12782168

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 29184000

約数和(自身を除く): 16401832

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 37, 56, 62, 74, 124, 148, 199, 217, 248, 259, 296, 398, 434, 518, 796, 868, 1036, 1147, 1393, 1592, 1736, 2072, 2294, 2786, 4588, 5572, 6169, 7363, 8029, 9176, 11144, 12338, 14726, 16058, 24676, 29452, 32116, 43183, 49352, 51541, 58904, 64232, 86366, 103082, 172732, 206164, 228253, 345464, 412328, 456506, 913012, 1597771, 1826024, 3195542, 6391084, 12782168]

約数ペア:

[(1, 12782168), (2, 6391084), (4, 3195542), (7, 1826024), (8, 1597771), (14, 913012), (28, 456506), (31, 412328), (37, 345464), (56, 228253), (62, 206164), (74, 172732), (124, 103082), (148, 86366), (199, 64232), (217, 58904), (248, 51541), (259, 49352), (296, 43183), (398, 32116), (434, 29452), (518, 24676), (796, 16058), (868, 14726), (1036, 12338), (1147, 11144), (1393, 9176), (1592, 8029), (1736, 7363), (2072, 6169), (2294, 5572), (2786, 4588)]