388594516

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{13187}}^1$

素因数の和:13383

約数の個数: 24

約数和(自身を含む): 697908960

約数和(自身を除く): 309314444

約数列:

[1, 2, 4, 53, 106, 139, 212, 278, 556, 7367, 13187, 14734, 26374, 29468, 52748, 698911, 1397822, 1832993, 2795644, 3665986, 7331972, 97148629, 194297258, 388594516]

約数ペア:

[(1, 388594516), (2, 194297258), (4, 97148629), (53, 7331972), (106, 3665986), (139, 2795644), (212, 1832993), (278, 1397822), (556, 698911), (7367, 52748), (13187, 29468), (14734, 26374)]