201991641770

素因数分解:

$2^1\times 5^1\times {\mathrm{82207}}^1\times {\mathrm{245711}}^1$

素因数の和:327925

約数の個数: 16

約数和(自身を含む): 363590857728

約数和(自身を除く): 161599215958

約数列:

[1, 2, 5, 10, 82207, 164414, 245711, 411035, 491422, 822070, 1228555, 2457110, 20199164177, 40398328354, 100995820885, 201991641770]

約数ペア:

[(1, 201991641770), (2, 100995820885), (5, 40398328354), (10, 20199164177), (82207, 2457110), (164414, 1228555), (245711, 822070), (411035, 491422)]