815225089

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{509}}^1$

素因数の和:889

約数の個数: 32

約数和(自身を含む): 1014647040

約数和(自身を除く): 199421951

約数列:

[1, 7, 17, 43, 119, 301, 313, 509, 731, 2191, 3563, 5117, 5321, 8653, 13459, 21887, 37247, 60571, 94213, 153209, 159317, 228803, 372079, 1115219, 1601621, 2604553, 2708389, 6850631, 18958723, 47954417, 116460727, 815225089]

約数ペア:

[(1, 815225089), (7, 116460727), (17, 47954417), (43, 18958723), (119, 6850631), (301, 2708389), (313, 2604553), (509, 1601621), (731, 1115219), (2191, 372079), (3563, 228803), (5117, 159317), (5321, 153209), (8653, 94213), (13459, 60571), (21887, 37247)]