28721077

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{1039}}^1$

素因数の和:1416

約数の個数: 16

約数和(自身を含む): 35942400

約数和(自身を除く): 7221323

約数列:

[1, 7, 11, 77, 359, 1039, 2513, 3949, 7273, 11429, 27643, 80003, 373001, 2611007, 4103011, 28721077]

約数ペア:

[(1, 28721077), (7, 4103011), (11, 2611007), (77, 373001), (359, 80003), (1039, 27643), (2513, 11429), (3949, 7273)]