28768415

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{4297}}^1$

素因数の和:4418

約数の個数: 16

約数和(自身を含む): 37547328

約数和(自身を除く): 8778913

約数列:

[1, 5, 13, 65, 103, 515, 1339, 4297, 6695, 21485, 55861, 279305, 442591, 2212955, 5753683, 28768415]

約数ペア:

[(1, 28768415), (5, 5753683), (13, 2212955), (65, 442591), (103, 279305), (515, 55861), (1339, 21485), (4297, 6695)]