1220804557

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{1699}}^1\times {\mathrm{4463}}^1$

素因数の和:6192

約数の個数: 16

約数和(自身を含む): 1457049600

約数和(自身を除く): 236245043

約数列:

[1, 7, 23, 161, 1699, 4463, 11893, 31241, 39077, 102649, 273539, 718543, 7582637, 53078459, 174400651, 1220804557]

約数ペア:

[(1, 1220804557), (7, 174400651), (23, 53078459), (161, 7582637), (1699, 718543), (4463, 273539), (11893, 102649), (31241, 39077)]