78838605

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{401}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 145617264

約数和(自身を除く): 66778659

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 257, 401, 765, 771, 1203, 1285, 2005, 2313, 3609, 3855, 4369, 6015, 6817, 11565, 13107, 18045, 20451, 21845, 34085, 39321, 61353, 65535, 102255, 103057, 196605, 306765, 309171, 515285, 927513, 1545855, 1751969, 4637565, 5255907, 8759845, 15767721, 26279535, 78838605]

約数ペア:

[(1, 78838605), (3, 26279535), (5, 15767721), (9, 8759845), (15, 5255907), (17, 4637565), (45, 1751969), (51, 1545855), (85, 927513), (153, 515285), (255, 309171), (257, 306765), (401, 196605), (765, 103057), (771, 102255), (1203, 65535), (1285, 61353), (2005, 39321), (2313, 34085), (3609, 21845), (3855, 20451), (4369, 18045), (6015, 13107), (6817, 11565)]