620140004

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{1281281}}^1$

素因数の和:1281307

約数の個数: 18

約数和(自身を含む): 1192873542

約数和(自身を除く): 572733538

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 1281281, 2562562, 5125124, 14094091, 28188182, 56376364, 155035001, 310070002, 620140004]

約数ペア:

[(1, 620140004), (2, 310070002), (4, 155035001), (11, 56376364), (22, 28188182), (44, 14094091), (121, 5125124), (242, 2562562), (484, 1281281)]