678432984

素因数分解:

$2^3\times 3^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{2161}}^1$

素因数の和:2400

約数の個数: 64

約数和(自身を含む): 1726832640

約数和(自身を除く): 1048399656

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 103, 127, 206, 254, 309, 381, 412, 508, 618, 762, 824, 1016, 1236, 1524, 2161, 2472, 3048, 4322, 6483, 8644, 12966, 13081, 17288, 25932, 26162, 39243, 51864, 52324, 78486, 104648, 156972, 222583, 274447, 313944, 445166, 548894, 667749, 823341, 890332, 1097788, 1335498, 1646682, 1780664, 2195576, 2670996, 3293364, 5341992, 6586728, 28268041, 56536082, 84804123, 113072164, 169608246, 226144328, 339216492, 678432984]

約数ペア:

[(1, 678432984), (2, 339216492), (3, 226144328), (4, 169608246), (6, 113072164), (8, 84804123), (12, 56536082), (24, 28268041), (103, 6586728), (127, 5341992), (206, 3293364), (254, 2670996), (309, 2195576), (381, 1780664), (412, 1646682), (508, 1335498), (618, 1097788), (762, 890332), (824, 823341), (1016, 667749), (1236, 548894), (1524, 445166), (2161, 313944), (2472, 274447), (3048, 222583), (4322, 156972), (6483, 104648), (8644, 78486), (12966, 52324), (13081, 51864), (17288, 39243), (25932, 26162)]