1315996

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{2719}}^1$

素因数の和:2745

約数の個数: 18

約数和(自身を含む): 2532320

約数和(自身を除く): 1216324

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 2719, 5438, 10876, 29909, 59818, 119636, 328999, 657998, 1315996]

約数ペア:

[(1, 1315996), (2, 657998), (4, 328999), (11, 119636), (22, 59818), (44, 29909), (121, 10876), (242, 5438), (484, 2719)]