220000543

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{353}}^1$

素因数の和:476

約数の個数: 32

約数和(自身を含む): 271872000

約数和(自身を除く): 51871457

約数列:

[1, 7, 23, 49, 79, 161, 343, 353, 553, 1127, 1817, 2471, 3871, 7889, 8119, 12719, 17297, 27097, 27887, 56833, 89033, 121079, 195209, 397831, 623231, 641401, 1366463, 2784817, 4489807, 9565241, 31428649, 220000543]

約数ペア:

[(1, 220000543), (7, 31428649), (23, 9565241), (49, 4489807), (79, 2784817), (161, 1366463), (343, 641401), (353, 623231), (553, 397831), (1127, 195209), (1817, 121079), (2471, 89033), (3871, 56833), (7889, 27887), (8119, 27097), (12719, 17297)]