25166456

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 56306880

約数和(自身を除く): 31140424

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 97, 113, 164, 194, 226, 287, 328, 388, 452, 574, 679, 776, 791, 904, 1148, 1358, 1582, 2296, 2716, 3164, 3977, 4633, 5432, 6328, 7954, 9266, 10961, 15908, 18532, 21922, 27839, 31816, 32431, 37064, 43844, 55678, 64862, 76727, 87688, 111356, 129724, 153454, 222712, 259448, 306908, 449401, 613816, 898802, 1797604, 3145807, 3595208, 6291614, 12583228, 25166456]

約数ペア:

[(1, 25166456), (2, 12583228), (4, 6291614), (7, 3595208), (8, 3145807), (14, 1797604), (28, 898802), (41, 613816), (56, 449401), (82, 306908), (97, 259448), (113, 222712), (164, 153454), (194, 129724), (226, 111356), (287, 87688), (328, 76727), (388, 64862), (452, 55678), (574, 43844), (679, 37064), (776, 32431), (791, 31816), (904, 27839), (1148, 21922), (1358, 18532), (1582, 15908), (2296, 10961), (2716, 9266), (3164, 7954), (3977, 6328), (4633, 5432)]