25755255

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 47814624

約数和(自身を除く): 22059369

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 131, 153, 255, 257, 393, 655, 765, 771, 1179, 1285, 1965, 2227, 2313, 3855, 4369, 5895, 6681, 11135, 11565, 13107, 20043, 21845, 33405, 33667, 39321, 65535, 100215, 101001, 168335, 196605, 303003, 505005, 572339, 1515015, 1717017, 2861695, 5151051, 8585085, 25755255]

約数ペア:

[(1, 25755255), (3, 8585085), (5, 5151051), (9, 2861695), (15, 1717017), (17, 1515015), (45, 572339), (51, 505005), (85, 303003), (131, 196605), (153, 168335), (255, 101001), (257, 100215), (393, 65535), (655, 39321), (765, 33667), (771, 33405), (1179, 21845), (1285, 20043), (1965, 13107), (2227, 11565), (2313, 11135), (3855, 6681), (4369, 5895)]