278320549

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{337}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 330142176

約数和(自身を除く): 51821627

約数列:

[1, 13, 17, 37, 101, 221, 337, 481, 629, 1313, 1717, 3737, 4381, 5729, 8177, 12469, 22321, 34037, 48581, 63529, 74477, 162097, 211973, 442481, 578629, 825877, 1259369, 2755649, 7522177, 16371797, 21409273, 278320549]

約数ペア:

[(1, 278320549), (13, 21409273), (17, 16371797), (37, 7522177), (101, 2755649), (221, 1259369), (337, 825877), (481, 578629), (629, 442481), (1313, 211973), (1717, 162097), (3737, 74477), (4381, 63529), (5729, 48581), (8177, 34037), (12469, 22321)]