2220121267

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{193}}^1\times {\mathrm{1523}}^1$

素因数の和:1819

約数の個数: 32

約数和(自身を含む): 2781531648

約数和(自身を除く): 561410381

約数列:

[1, 7, 13, 83, 91, 193, 581, 1079, 1351, 1523, 2509, 7553, 10661, 16019, 17563, 19799, 112133, 126409, 138593, 208247, 293939, 884863, 1457729, 1643317, 2057573, 3821207, 11503219, 24396937, 26748449, 170778559, 317160181, 2220121267]

約数ペア:

[(1, 2220121267), (7, 317160181), (13, 170778559), (83, 26748449), (91, 24396937), (193, 11503219), (581, 3821207), (1079, 2057573), (1351, 1643317), (1523, 1457729), (2509, 884863), (7553, 293939), (10661, 208247), (16019, 138593), (17563, 126409), (19799, 112133)]