68281759

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{5477}}^1$

素因数の和:5634

約数の個数: 16

約数和(自身を含む): 84667968

約数和(自身を除く): 16386209

約数列:

[1, 7, 13, 91, 137, 959, 1781, 5477, 12467, 38339, 71201, 498407, 750349, 5252443, 9754537, 68281759]

約数ペア:

[(1, 68281759), (7, 9754537), (13, 5252443), (91, 750349), (137, 498407), (959, 71201), (1781, 38339), (5477, 12467)]