2555865

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 5071248

約数和(自身を除く): 2515383

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 221, 255, 257, 585, 663, 765, 771, 1105, 1285, 1989, 2313, 3315, 3341, 3855, 4369, 9945, 10023, 11565, 13107, 16705, 21845, 30069, 39321, 50115, 56797, 65535, 150345, 170391, 196605, 283985, 511173, 851955, 2555865]

約数ペア:

[(1, 2555865), (3, 851955), (5, 511173), (9, 283985), (13, 196605), (15, 170391), (17, 150345), (39, 65535), (45, 56797), (51, 50115), (65, 39321), (85, 30069), (117, 21845), (153, 16705), (195, 13107), (221, 11565), (255, 10023), (257, 9945), (585, 4369), (663, 3855), (765, 3341), (771, 3315), (1105, 2313), (1285, 1989)]