220023349

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{647}}^1$

素因数の和:805

約数の個数: 32

約数和(自身を含む): 281304576

約数和(自身を除く): 61281227

約数列:

[1, 7, 13, 37, 91, 101, 259, 481, 647, 707, 1313, 3367, 3737, 4529, 8411, 9191, 23939, 26159, 48581, 58877, 65347, 167573, 311207, 340067, 457429, 849511, 2178449, 2417839, 5946577, 16924873, 31431907, 220023349]

約数ペア:

[(1, 220023349), (7, 31431907), (13, 16924873), (37, 5946577), (91, 2417839), (101, 2178449), (259, 849511), (481, 457429), (647, 340067), (707, 311207), (1313, 167573), (3367, 65347), (3737, 58877), (4529, 48581), (8411, 26159), (9191, 23939)]