201638401601

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{20708473}}^1$

素因数の和:20708600

約数の個数: 16

約数和(自身を含む): 250489701504

約数和(自身を除く): 48851299903

約数列:

[1, 7, 13, 91, 107, 749, 1391, 9737, 20708473, 144959311, 269210149, 1884471043, 2215806611, 15510646277, 28805485943, 201638401601]

約数ペア:

[(1, 201638401601), (7, 28805485943), (13, 15510646277), (91, 2215806611), (107, 1884471043), (749, 269210149), (1391, 144959311), (9737, 20708473)]