1388397731

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{73433}}^1$

素因数の和:73550

約数の個数: 16

約数和(自身を含む): 1651971264

約数和(自身を除く): 263573533

約数列:

[1, 7, 37, 73, 259, 511, 2701, 18907, 73433, 514031, 2717021, 5360609, 19019147, 37524263, 198342533, 1388397731]

約数ペア:

[(1, 1388397731), (7, 198342533), (37, 37524263), (73, 19019147), (259, 5360609), (511, 2717021), (2701, 514031), (18907, 73433)]