68388619

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 81607680

約数和(自身を除く): 13219061

約数列:

[1, 13, 19, 43, 47, 137, 247, 559, 611, 817, 893, 1781, 2021, 2603, 5891, 6439, 10621, 11609, 26273, 33839, 38399, 76583, 83707, 111929, 122341, 276877, 499187, 1455077, 1590433, 3599401, 5260663, 68388619]

約数ペア:

[(1, 68388619), (13, 5260663), (19, 3599401), (43, 1590433), (47, 1455077), (137, 499187), (247, 276877), (559, 122341), (611, 111929), (817, 83707), (893, 76583), (1781, 38399), (2021, 33839), (2603, 26273), (5891, 11609), (6439, 10621)]