13319551

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:223

約数の個数: 32

約数和(自身を含む): 17487360

約数和(自身を除く): 4167809

約数列:

[1, 7, 17, 19, 43, 119, 133, 137, 301, 323, 731, 817, 959, 2261, 2329, 2603, 5117, 5719, 5891, 13889, 16303, 18221, 41237, 44251, 97223, 100147, 111929, 309757, 701029, 783503, 1902793, 13319551]

約数ペア:

[(1, 13319551), (7, 1902793), (17, 783503), (19, 701029), (43, 309757), (119, 111929), (133, 100147), (137, 97223), (301, 44251), (323, 41237), (731, 18221), (817, 16303), (959, 13889), (2261, 5891), (2329, 5719), (2603, 5117)]