64520015

素因数分解:

$5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{2213}}^1$

素因数の和:2256

約数の個数: 32

約数和(自身を含む): 95644800

約数和(自身を除く): 31124785

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 343, 595, 833, 1715, 2213, 4165, 5831, 11065, 15491, 29155, 37621, 77455, 108437, 188105, 263347, 542185, 759059, 1316735, 1843429, 3795295, 9217145, 12904003, 64520015]

約数ペア:

[(1, 64520015), (5, 12904003), (7, 9217145), (17, 3795295), (35, 1843429), (49, 1316735), (85, 759059), (119, 542185), (245, 263347), (343, 188105), (595, 108437), (833, 77455), (1715, 37621), (2213, 29155), (4165, 15491), (5831, 11065)]