2780019842

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{380929}}^1$

素因数の和:381061

約数の個数: 16

約数和(自身を含む): 4319746200

約数和(自身を除く): 1539726358

約数列:

[1, 2, 41, 82, 89, 178, 3649, 7298, 380929, 761858, 15618089, 31236178, 33902681, 67805362, 1390009921, 2780019842]

約数ペア:

[(1, 2780019842), (2, 1390009921), (41, 67805362), (82, 33902681), (89, 31236178), (178, 15618089), (3649, 761858), (7298, 380929)]