1396996909

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{235621}}^1$

素因数の和:235657

約数の個数: 18

約数和(自身を含む): 1786250382

約数和(自身を除く): 389253473

約数列:

[1, 7, 11, 49, 77, 121, 539, 847, 5929, 235621, 1649347, 2591831, 11545429, 18142817, 28510141, 126999719, 199570987, 1396996909]

約数ペア:

[(1, 1396996909), (7, 199570987), (11, 126999719), (49, 28510141), (77, 18142817), (121, 11545429), (539, 2591831), (847, 1649347), (5929, 235621)]