28391993

素因数分解:

$7^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{293}}^1$

素因数の和:536

約数の個数: 16

約数和(自身を含む): 33116160

約数和(自身を除く): 4724167

約数列:

[1, 7, 109, 127, 293, 763, 889, 2051, 13843, 31937, 37211, 96901, 223559, 260477, 4055999, 28391993]

約数ペア:

[(1, 28391993), (7, 4055999), (109, 260477), (127, 223559), (293, 96901), (763, 37211), (889, 31937), (2051, 13843)]