78811031

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^2$

素因数の和:323

約数の個数: 24

約数和(自身を含む): 95291280

約数和(自身を除く): 16480249

約数列:

[1, 13, 17, 19, 137, 221, 247, 323, 1781, 2329, 2603, 4199, 18769, 30277, 33839, 44251, 243997, 319073, 356611, 575263, 4147949, 4635943, 6062387, 78811031]

約数ペア:

[(1, 78811031), (13, 6062387), (17, 4635943), (19, 4147949), (137, 575263), (221, 356611), (247, 319073), (323, 243997), (1781, 44251), (2329, 33839), (2603, 30277), (4199, 18769)]