78445157

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{28661}}^1$

素因数の和:28708

約数の個数: 16

約数和(自身を含む): 99055872

約数和(自身を除く): 20610715

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 28661, 200627, 487237, 659203, 3410659, 4614421, 11206451, 78445157]

約数ペア:

[(1, 78445157), (7, 11206451), (17, 4614421), (23, 3410659), (119, 659203), (161, 487237), (391, 200627), (2737, 28661)]