68991013

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{607}}^1\times {\mathrm{1249}}^1$

素因数の和:1876

約数の個数: 16

約数和(自身を含む): 85120000

約数和(自身を除く): 16128987

約数列:

[1, 7, 13, 91, 607, 1249, 4249, 7891, 8743, 16237, 55237, 113659, 758143, 5307001, 9855859, 68991013]

約数ペア:

[(1, 68991013), (7, 9855859), (13, 5307001), (91, 758143), (607, 113659), (1249, 55237), (4249, 16237), (7891, 8743)]