64986781557

素因数分解:

$3^1\times {\mathrm{863}}^1\times {\mathrm{3607}}^1\times {\mathrm{6959}}^1$

素因数の和:11432

約数の個数: 16

約数和(自身を含む): 86785966080

約数和(自身を除く): 21799184523

約数列:

[1, 3, 863, 2589, 3607, 6959, 10821, 20877, 3112841, 6005617, 9338523, 18016851, 25101113, 75303339, 21662260519, 64986781557]

約数ペア:

[(1, 64986781557), (3, 21662260519), (863, 75303339), (2589, 25101113), (3607, 18016851), (6959, 9338523), (10821, 6005617), (20877, 3112841)]