28262884

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{41809}}^1$

素因数の和:41839

約数の個数: 18

約数和(自身を含む): 53558610

約数和(自身を除く): 25295726

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 41809, 83618, 167236, 543517, 1087034, 2174068, 7065721, 14131442, 28262884]

約数ペア:

[(1, 28262884), (2, 14131442), (4, 7065721), (13, 2174068), (26, 1087034), (52, 543517), (169, 167236), (338, 83618), (676, 41809)]