260245466

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{499}}^1\times {\mathrm{1543}}^1$

素因数の和:2070

約数の個数: 24

約数和(自身を含む): 423828000

約数和(自身を除く): 163582534

約数列:

[1, 2, 13, 26, 169, 338, 499, 998, 1543, 3086, 6487, 12974, 20059, 40118, 84331, 168662, 260767, 521534, 769957, 1539914, 10009441, 20018882, 130122733, 260245466]

約数ペア:

[(1, 260245466), (2, 130122733), (13, 20018882), (26, 10009441), (169, 1539914), (338, 769957), (499, 521534), (998, 260767), (1543, 168662), (3086, 84331), (6487, 40118), (12974, 20059)]