7247142

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{509}}^1$

素因数の和:637

約数の個数: 48

約数和(自身を含む): 18139680

約数和(自身を除く): 10892538

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 113, 126, 226, 339, 509, 678, 791, 1017, 1018, 1527, 1582, 2034, 2373, 3054, 3563, 4581, 4746, 7119, 7126, 9162, 10689, 14238, 21378, 32067, 57517, 64134, 115034, 172551, 345102, 402619, 517653, 805238, 1035306, 1207857, 2415714, 3623571, 7247142]

約数ペア:

[(1, 7247142), (2, 3623571), (3, 2415714), (6, 1207857), (7, 1035306), (9, 805238), (14, 517653), (18, 402619), (21, 345102), (42, 172551), (63, 115034), (113, 64134), (126, 57517), (226, 32067), (339, 21378), (509, 14238), (678, 10689), (791, 9162), (1017, 7126), (1018, 7119), (1527, 4746), (1582, 4581), (2034, 3563), (2373, 3054)]