81511388114

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{349}}^1\times {\mathrm{690997}}^1$

素因数の和:691374

約数の個数: 24

約数和(自身を含む): 132775265700

約数和(自身を除く): 51263877586

約数列:

[1, 2, 13, 26, 169, 338, 349, 698, 4537, 9074, 58981, 117962, 690997, 1381994, 8982961, 17965922, 116778493, 233556986, 241157953, 482315906, 3135053389, 6270106778, 40755694057, 81511388114]

約数ペア:

[(1, 81511388114), (2, 40755694057), (13, 6270106778), (26, 3135053389), (169, 482315906), (338, 241157953), (349, 233556986), (698, 116778493), (4537, 17965922), (9074, 8982961), (58981, 1381994), (117962, 690997)]