1388336818

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{521539}}^1$

素因数の和:521574

約数の個数: 16

約数和(自身を含む): 2290603680

約数和(自身を除く): 902266862

約数列:

[1, 2, 11, 22, 121, 242, 1331, 2662, 521539, 1043078, 5736929, 11473858, 63106219, 126212438, 694168409, 1388336818]

約数ペア:

[(1, 1388336818), (2, 694168409), (11, 126212438), (22, 63106219), (121, 11473858), (242, 5736929), (1331, 1043078), (2662, 521539)]