278315219

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{1069}}^1\times {\mathrm{2861}}^1$

素因数の和:3950

約数の個数: 16

約数和(自身を含む): 342982080

約数和(自身を除く): 64666861

約数列:

[1, 7, 13, 91, 1069, 2861, 7483, 13897, 20027, 37193, 97279, 260351, 3058409, 21408863, 39759317, 278315219]

約数ペア:

[(1, 278315219), (7, 39759317), (13, 21408863), (91, 3058409), (1069, 260351), (2861, 97279), (7483, 37193), (13897, 20027)]