247322306

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{20857}}^1$

素因数の和:20895

約数の個数: 36

約数和(自身を含む): 474373494

約数和(自身を除く): 227051188

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 121, 154, 242, 539, 847, 1078, 1694, 5929, 11858, 20857, 41714, 145999, 229427, 291998, 458854, 1021993, 1605989, 2043986, 2523697, 3211978, 5047394, 11241923, 17665879, 22483846, 35331758, 123661153, 247322306]

約数ペア:

[(1, 247322306), (2, 123661153), (7, 35331758), (11, 22483846), (14, 17665879), (22, 11241923), (49, 5047394), (77, 3211978), (98, 2523697), (121, 2043986), (154, 1605989), (242, 1021993), (539, 458854), (847, 291998), (1078, 229427), (1694, 145999), (5929, 41714), (11858, 20857)]