28799290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17041}}^1$

素因数の和:17074

約数の個数: 24

約数和(自身を含む): 56136348

約数和(自身を除く): 27337058

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 17041, 34082, 85205, 170410, 221533, 443066, 1107665, 2215330, 2879929, 5759858, 14399645, 28799290]

約数ペア:

[(1, 28799290), (2, 14399645), (5, 5759858), (10, 2879929), (13, 2215330), (26, 1107665), (65, 443066), (130, 221533), (169, 170410), (338, 85205), (845, 34082), (1690, 17041)]