678844318894

素因数分解:

$2^1\times 7^1\times {\mathrm{20021}}^1\times {\mathrm{2421901}}^1$

素因数の和:2441931

約数の個数: 16

約数和(自身を含む): 1163791724256

約数和(自身を除く): 484947405362

約数列:

[1, 2, 7, 14, 20021, 40042, 140147, 280294, 2421901, 4843802, 16953307, 33906614, 48488879921, 96977759842, 339422159447, 678844318894]

約数ペア:

[(1, 678844318894), (2, 339422159447), (7, 96977759842), (14, 48488879921), (20021, 33906614), (40042, 16953307), (140147, 4843802), (280294, 2421901)]