256628416

素因数分解:

$2^6\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1069}}^1$

素因数の和:1134

約数の個数: 84

約数和(自身を含む): 578347840

約数和(自身を除く): 321719424

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 64, 88, 121, 124, 176, 242, 248, 341, 352, 484, 496, 682, 704, 968, 992, 1069, 1364, 1936, 1984, 2138, 2728, 3751, 3872, 4276, 5456, 7502, 7744, 8552, 10912, 11759, 15004, 17104, 21824, 23518, 30008, 33139, 34208, 47036, 60016, 66278, 68416, 94072, 120032, 129349, 132556, 188144, 240064, 258698, 265112, 364529, 376288, 517396, 530224, 729058, 752576, 1034792, 1060448, 1458116, 2069584, 2120896, 2916232, 4009819, 4139168, 5832464, 8019638, 8278336, 11664928, 16039276, 23329856, 32078552, 64157104, 128314208, 256628416]

約数ペア:

[(1, 256628416), (2, 128314208), (4, 64157104), (8, 32078552), (11, 23329856), (16, 16039276), (22, 11664928), (31, 8278336), (32, 8019638), (44, 5832464), (62, 4139168), (64, 4009819), (88, 2916232), (121, 2120896), (124, 2069584), (176, 1458116), (242, 1060448), (248, 1034792), (341, 752576), (352, 729058), (484, 530224), (496, 517396), (682, 376288), (704, 364529), (968, 265112), (992, 258698), (1069, 240064), (1364, 188144), (1936, 132556), (1984, 129349), (2138, 120032), (2728, 94072), (3751, 68416), (3872, 66278), (4276, 60016), (5456, 47036), (7502, 34208), (7744, 33139), (8552, 30008), (10912, 23518), (11759, 21824), (15004, 17104)]