256053267

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 394804800

約数和(自身を除く): 138751533

約数列:

[1, 3, 9, 29, 73, 87, 89, 151, 219, 261, 267, 453, 657, 801, 1359, 2117, 2581, 4379, 6351, 6497, 7743, 11023, 13137, 13439, 19053, 19491, 23229, 33069, 39411, 40317, 58473, 99207, 120951, 188413, 319667, 389731, 565239, 959001, 981047, 1169193, 1695717, 2877003, 2943141, 3507579, 8829423, 28450363, 85351089, 256053267]

約数ペア:

[(1, 256053267), (3, 85351089), (9, 28450363), (29, 8829423), (73, 3507579), (87, 2943141), (89, 2877003), (151, 1695717), (219, 1169193), (261, 981047), (267, 959001), (453, 565239), (657, 389731), (801, 319667), (1359, 188413), (2117, 120951), (2581, 99207), (4379, 58473), (6351, 40317), (6497, 39411), (7743, 33069), (11023, 23229), (13137, 19491), (13439, 19053)]