197534519

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{20287}}^1$

素因数の和:20414

約数の個数: 16

約数和(自身を含む): 245403648

約数和(自身を除く): 47869129

約数列:

[1, 7, 13, 91, 107, 749, 1391, 9737, 20287, 142009, 263731, 1846117, 2170709, 15194963, 28219217, 197534519]

約数ペア:

[(1, 197534519), (7, 28219217), (13, 15194963), (91, 2170709), (107, 1846117), (749, 263731), (1391, 142009), (9737, 20287)]