256510864

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{1867}}^1$

素因数の和:2183

約数の個数: 40

約数和(自身を含む): 515149568

約数和(自身を除く): 258638704

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 277, 496, 554, 1108, 1867, 2216, 3734, 4432, 7468, 8587, 14936, 17174, 29872, 34348, 57877, 68696, 115754, 137392, 231508, 463016, 517159, 926032, 1034318, 2068636, 4137272, 8274544, 16031929, 32063858, 64127716, 128255432, 256510864]

約数ペア:

[(1, 256510864), (2, 128255432), (4, 64127716), (8, 32063858), (16, 16031929), (31, 8274544), (62, 4137272), (124, 2068636), (248, 1034318), (277, 926032), (496, 517159), (554, 463016), (1108, 231508), (1867, 137392), (2216, 115754), (3734, 68696), (4432, 57877), (7468, 34348), (8587, 29872), (14936, 17174)]