71821499905

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{5565401}}^1$

素因数の和:5565524

約数の個数: 16

約数和(自身を含む): 90159512400

約数和(自身を除く): 18338012495

約数列:

[1, 5, 29, 89, 145, 445, 2581, 12905, 5565401, 27827005, 161396629, 495320689, 806983145, 2476603445, 14364299981, 71821499905]

約数ペア:

[(1, 71821499905), (5, 14364299981), (29, 2476603445), (89, 806983145), (145, 495320689), (445, 161396629), (2581, 27827005), (12905, 5565401)]