25465216

素因数分解:

$2^7\times 7^1\times {\mathrm{97}}^1\times {\mathrm{293}}^1$

素因数の和:411

約数の個数: 64

約数和(自身を含む): 58776480

約数和(自身を除く): 33311264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 97, 112, 128, 194, 224, 293, 388, 448, 586, 679, 776, 896, 1172, 1358, 1552, 2051, 2344, 2716, 3104, 4102, 4688, 5432, 6208, 8204, 9376, 10864, 12416, 16408, 18752, 21728, 28421, 32816, 37504, 43456, 56842, 65632, 86912, 113684, 131264, 198947, 227368, 262528, 397894, 454736, 795788, 909472, 1591576, 1818944, 3183152, 3637888, 6366304, 12732608, 25465216]

約数ペア:

[(1, 25465216), (2, 12732608), (4, 6366304), (7, 3637888), (8, 3183152), (14, 1818944), (16, 1591576), (28, 909472), (32, 795788), (56, 454736), (64, 397894), (97, 262528), (112, 227368), (128, 198947), (194, 131264), (224, 113684), (293, 86912), (388, 65632), (448, 56842), (586, 43456), (679, 37504), (776, 32816), (896, 28421), (1172, 21728), (1358, 18752), (1552, 16408), (2051, 12416), (2344, 10864), (2716, 9376), (3104, 8204), (4102, 6208), (4688, 5432)]