67878431

素因数分解:

${\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{293}}^1$

素因数の和:538

約数の個数: 16

約数和(自身を含む): 73029600

約数和(自身を除く): 5151169

約数列:

[1, 19, 89, 137, 293, 1691, 2603, 5567, 12193, 26077, 40141, 231667, 495463, 762679, 3572549, 67878431]

約数ペア:

[(1, 67878431), (19, 3572549), (89, 762679), (137, 495463), (293, 231667), (1691, 40141), (2603, 26077), (5567, 12193)]