688898915

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{353}}^1$

素因数の和:743

約数の個数: 32

約数和(自身を含む): 880355520

約数和(自身を除く): 191456605

約数列:

[1, 5, 29, 43, 145, 215, 313, 353, 1247, 1565, 1765, 6235, 9077, 10237, 13459, 15179, 45385, 51185, 67295, 75895, 110489, 390311, 440191, 552445, 1951555, 2200955, 3204181, 4751027, 16020905, 23755135, 137779783, 688898915]

約数ペア:

[(1, 688898915), (5, 137779783), (29, 23755135), (43, 16020905), (145, 4751027), (215, 3204181), (313, 2200955), (353, 1951555), (1247, 552445), (1565, 440191), (1765, 390311), (6235, 110489), (9077, 75895), (10237, 67295), (13459, 51185), (15179, 45385)]