2220921400327

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{1373227}}^1$

素因数の和:1373551

約数の個数: 32

約数和(自身を含む): 2720968888320

約数和(自身を除く): 500047487993

約数列:

[1, 7, 29, 31, 203, 217, 257, 899, 1799, 6293, 7453, 7967, 52171, 55769, 231043, 1373227, 1617301, 9612589, 39823583, 42570037, 278765081, 297990259, 352919339, 1234531073, 2470435373, 8641717511, 10234660831, 10940499509, 71642625817, 76583496563, 317274485761, 2220921400327]

約数ペア:

[(1, 2220921400327), (7, 317274485761), (29, 76583496563), (31, 71642625817), (203, 10940499509), (217, 10234660831), (257, 8641717511), (899, 2470435373), (1799, 1234531073), (6293, 352919339), (7453, 297990259), (7967, 278765081), (52171, 42570037), (55769, 39823583), (231043, 9612589), (1373227, 1617301)]