2019999863

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{571}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 2547806976

約数和(自身を除く): 527807113

約数列:

[1, 7, 23, 43, 49, 73, 161, 301, 511, 571, 989, 1127, 1679, 2107, 3139, 3577, 3997, 6923, 11753, 13133, 21973, 24553, 27979, 41683, 48461, 72197, 82271, 91931, 153811, 171871, 291781, 505379, 564719, 643517, 958709, 1203097, 1792369, 2042467, 3537653, 3953033, 6710963, 12546583, 27671231, 41224487, 46976741, 87826081, 288571409, 2019999863]

約数ペア:

[(1, 2019999863), (7, 288571409), (23, 87826081), (43, 46976741), (49, 41224487), (73, 27671231), (161, 12546583), (301, 6710963), (511, 3953033), (571, 3537653), (989, 2042467), (1127, 1792369), (1679, 1203097), (2107, 958709), (3139, 643517), (3577, 564719), (3997, 505379), (6923, 291781), (11753, 171871), (13133, 153811), (21973, 91931), (24553, 82271), (27979, 72197), (41683, 48461)]