208064003

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4001}}^1$

素因数の和:4067

約数の個数: 32

約数和(自身を含む): 276618240

約数和(自身を除く): 68554237

約数列:

[1, 7, 17, 19, 23, 119, 133, 161, 323, 391, 437, 2261, 2737, 3059, 4001, 7429, 28007, 52003, 68017, 76019, 92023, 476119, 532133, 644161, 1292323, 1564391, 1748437, 9046261, 10950737, 12239059, 29723429, 208064003]

約数ペア:

[(1, 208064003), (7, 29723429), (17, 12239059), (19, 10950737), (23, 9046261), (119, 1748437), (133, 1564391), (161, 1292323), (323, 644161), (391, 532133), (437, 476119), (2261, 92023), (2737, 76019), (3059, 68017), (4001, 52003), (7429, 28007)]