661988398

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{63421}}^1$

素因数の和:63747

約数の個数: 16

約数和(自身を含む): 1054834704

約数和(自身を除く): 392846306

約数列:

[1, 2, 17, 34, 307, 614, 5219, 10438, 63421, 126842, 1078157, 2156314, 19470247, 38940494, 330994199, 661988398]

約数ペア:

[(1, 661988398), (2, 330994199), (17, 38940494), (34, 19470247), (307, 2156314), (614, 1078157), (5219, 126842), (10438, 63421)]