2109178888

素因数分解:

$2^3\times {\mathrm{521}}^1\times {\mathrm{643}}^1\times {\mathrm{787}}^1$

素因数の和:1957

約数の個数: 32

約数和(自身を含む): 3973505760

約数和(自身を除く): 1864326872

約数列:

[1, 2, 4, 8, 521, 643, 787, 1042, 1286, 1574, 2084, 2572, 3148, 4168, 5144, 6296, 335003, 410027, 506041, 670006, 820054, 1012082, 1340012, 1640108, 2024164, 2680024, 3280216, 4048328, 263647361, 527294722, 1054589444, 2109178888]

約数ペア:

[(1, 2109178888), (2, 1054589444), (4, 527294722), (8, 263647361), (521, 4048328), (643, 3280216), (787, 2680024), (1042, 2024164), (1286, 1640108), (1574, 1340012), (2084, 1012082), (2572, 820054), (3148, 670006), (4168, 506041), (5144, 410027), (6296, 335003)]