399669193

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{12329}}^1$

素因数の和:12768

約数の個数: 16

約数和(自身を含む): 499512960

約数和(自身を除く): 99843767

約数列:

[1, 7, 11, 77, 421, 2947, 4631, 12329, 32417, 86303, 135619, 949333, 5190509, 36333563, 57095599, 399669193]

約数ペア:

[(1, 399669193), (7, 57095599), (11, 36333563), (77, 5190509), (421, 949333), (2947, 135619), (4631, 86303), (12329, 32417)]