30289427

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 38776320

約数和(自身を除く): 8486893

約数列:

[1, 7, 17, 29, 67, 119, 131, 203, 469, 493, 917, 1139, 1943, 2227, 3451, 3799, 7973, 8777, 13601, 15589, 26593, 33031, 61439, 64583, 149209, 231217, 254533, 452081, 1044463, 1781731, 4327061, 30289427]

約数ペア:

[(1, 30289427), (7, 4327061), (17, 1781731), (29, 1044463), (67, 452081), (119, 254533), (131, 231217), (203, 149209), (469, 64583), (493, 61439), (917, 33031), (1139, 26593), (1943, 15589), (2227, 13601), (3451, 8777), (3799, 7973)]