261771263996

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{540849719}}^1$

素因数の和:540849745

約数の個数: 18

約数和(自身を含む): 503531089320

約数和(自身を除く): 241759825324

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 540849719, 1081699438, 2163398876, 5949346909, 11898693818, 23797387636, 65442815999, 130885631998, 261771263996]

約数ペア:

[(1, 261771263996), (2, 130885631998), (4, 65442815999), (11, 23797387636), (22, 11898693818), (44, 5949346909), (121, 2163398876), (242, 1081699438), (484, 540849719)]