30788219

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{239}}^2$

素因数の和:503

約数の個数: 18

約数和(自身を含む): 39234924

約数和(自身を除く): 8446705

約数列:

[1, 7, 11, 49, 77, 239, 539, 1673, 2629, 11711, 18403, 57121, 128821, 399847, 628331, 2798929, 4398317, 30788219]

約数ペア:

[(1, 30788219), (7, 4398317), (11, 2798929), (49, 628331), (77, 399847), (239, 128821), (539, 57121), (1673, 18403), (2629, 11711)]