1320574805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{5431}}^1\times {\mathrm{4421}}^1$

素因数の和:9868

約数の個数: 16

約数和(自身を含む): 1729461888

約数和(自身を除く): 408887083

約数列:

[1, 5, 11, 55, 4421, 5431, 22105, 27155, 48631, 59741, 243155, 298705, 24010451, 120052255, 264114961, 1320574805]

約数ペア:

[(1, 1320574805), (5, 264114961), (11, 120052255), (55, 24010451), (4421, 298705), (5431, 243155), (22105, 59741), (27155, 48631)]