398401864

素因数分解:

$2^3\times 7^1\times {\mathrm{7114319}}^1$

素因数の和:7114332

約数の個数: 16

約数和(自身を含む): 853718400

約数和(自身を除く): 455316536

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 7114319, 14228638, 28457276, 49800233, 56914552, 99600466, 199200932, 398401864]

約数ペア:

[(1, 398401864), (2, 199200932), (4, 99600466), (7, 56914552), (8, 49800233), (14, 28457276), (28, 14228638), (56, 7114319)]