1218702947

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{368077}}^1$

素因数の和:368138

約数の個数: 16

約数和(自身を含む): 1554761472

約数和(自身を除く): 336058525

約数列:

[1, 7, 11, 43, 77, 301, 473, 3311, 368077, 2576539, 4048847, 15827311, 28341929, 110791177, 174100421, 1218702947]

約数ペア:

[(1, 1218702947), (7, 174100421), (11, 110791177), (43, 28341929), (77, 15827311), (301, 4048847), (473, 2576539), (3311, 368077)]