1255541888

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{601}}^1\times {\mathrm{859}}^1$

素因数の和:1493

約数の個数: 64

約数和(自身を含む): 2640372000

約数和(自身を除く): 1384830112

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 601, 608, 859, 1202, 1216, 1718, 2404, 2432, 3436, 4808, 6872, 9616, 11419, 13744, 16321, 19232, 22838, 27488, 32642, 38464, 45676, 54976, 65284, 76928, 91352, 109952, 130568, 182704, 261136, 365408, 516259, 522272, 730816, 1032518, 1044544, 1461632, 2065036, 2089088, 4130072, 8260144, 9808921, 16520288, 19617842, 33040576, 39235684, 66081152, 78471368, 156942736, 313885472, 627770944, 1255541888]

約数ペア:

[(1, 1255541888), (2, 627770944), (4, 313885472), (8, 156942736), (16, 78471368), (19, 66081152), (32, 39235684), (38, 33040576), (64, 19617842), (76, 16520288), (128, 9808921), (152, 8260144), (304, 4130072), (601, 2089088), (608, 2065036), (859, 1461632), (1202, 1044544), (1216, 1032518), (1718, 730816), (2404, 522272), (2432, 516259), (3436, 365408), (4808, 261136), (6872, 182704), (9616, 130568), (11419, 109952), (13744, 91352), (16321, 76928), (19232, 65284), (22838, 54976), (27488, 45676), (32642, 38464)]