28376655

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{433}}^1$

素因数の和:715

約数の個数: 32

約数和(自身を含む): 48371904

約数和(自身を除く): 19995249

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 257, 433, 771, 1285, 1299, 2165, 3855, 4369, 6495, 7361, 13107, 21845, 22083, 36805, 65535, 110415, 111281, 333843, 556405, 1669215, 1891777, 5675331, 9458885, 28376655]

約数ペア:

[(1, 28376655), (3, 9458885), (5, 5675331), (15, 1891777), (17, 1669215), (51, 556405), (85, 333843), (255, 111281), (257, 110415), (433, 65535), (771, 36805), (1285, 22083), (1299, 21845), (2165, 13107), (3855, 7361), (4369, 6495)]