28308215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{1619}}^1$

素因数の和:1906

約数の個数: 16

約数和(自身を含む): 36741600

約数和(自身を除く): 8433385

約数列:

[1, 5, 13, 65, 269, 1345, 1619, 3497, 8095, 17485, 21047, 105235, 435511, 2177555, 5661643, 28308215]

約数ペア:

[(1, 28308215), (5, 5661643), (13, 2177555), (65, 435511), (269, 105235), (1345, 21047), (1619, 17485), (3497, 8095)]