64747277

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{787}}^1$

素因数の和:897

約数の個数: 24

約数和(自身を含む): 79770816

約数和(自身を除く): 15023539

約数列:

[1, 7, 23, 49, 73, 161, 511, 787, 1127, 1679, 3577, 5509, 11753, 18101, 38563, 57451, 82271, 126707, 402157, 886949, 1321373, 2815099, 9249611, 64747277]

約数ペア:

[(1, 64747277), (7, 9249611), (23, 2815099), (49, 1321373), (73, 886949), (161, 402157), (511, 126707), (787, 82271), (1127, 57451), (1679, 38563), (3577, 18101), (5509, 11753)]