157897589759

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{41681}}^1$

素因数の和:42040

約数の個数: 48

約数和(自身を含む): 208886842080

約数和(自身を除く): 50989252321

約数列:

[1, 7, 13, 19, 49, 91, 133, 247, 313, 637, 931, 1729, 2191, 4069, 5947, 12103, 15337, 28483, 41629, 41681, 77311, 199381, 291403, 291767, 541177, 541853, 791939, 2042369, 3788239, 3792971, 5543573, 10295207, 13046153, 26550797, 38805011, 72066449, 91323071, 169599989, 247876907, 504465143, 639261497, 1187199923, 1735138349, 3222399791, 8310399461, 12145968443, 22556798537, 157897589759]

約数ペア:

[(1, 157897589759), (7, 22556798537), (13, 12145968443), (19, 8310399461), (49, 3222399791), (91, 1735138349), (133, 1187199923), (247, 639261497), (313, 504465143), (637, 247876907), (931, 169599989), (1729, 91323071), (2191, 72066449), (4069, 38805011), (5947, 26550797), (12103, 13046153), (15337, 10295207), (28483, 5543573), (41629, 3792971), (41681, 3788239), (77311, 2042369), (199381, 791939), (291403, 541853), (291767, 541177)]