289667749

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{971}}^1\times {\mathrm{2243}}^1$

素因数の和:3240

約数の個数: 16

約数和(自身を含む): 348986880

約数和(自身を除く): 59319131

約数列:

[1, 7, 19, 133, 971, 2243, 6797, 15701, 18449, 42617, 129143, 298319, 2177953, 15245671, 41381107, 289667749]

約数ペア:

[(1, 289667749), (7, 41381107), (19, 15245671), (133, 2177953), (971, 298319), (2243, 129143), (6797, 42617), (15701, 18449)]