16788639

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:136

約数の個数: 64

約数和(自身を含む): 29417472

約数和(自身を除く): 12628833

約数列:

[1, 3, 7, 17, 21, 31, 37, 41, 51, 93, 111, 119, 123, 217, 259, 287, 357, 527, 629, 651, 697, 777, 861, 1147, 1271, 1517, 1581, 1887, 2091, 3441, 3689, 3813, 4403, 4551, 4879, 8029, 8897, 10619, 11067, 13209, 14637, 19499, 21607, 24087, 25789, 26691, 31857, 47027, 58497, 64821, 77367, 136493, 141081, 151249, 180523, 329189, 409479, 453747, 541569, 799459, 987567, 2398377, 5596213, 16788639]

約数ペア:

[(1, 16788639), (3, 5596213), (7, 2398377), (17, 987567), (21, 799459), (31, 541569), (37, 453747), (41, 409479), (51, 329189), (93, 180523), (111, 151249), (119, 141081), (123, 136493), (217, 77367), (259, 64821), (287, 58497), (357, 47027), (527, 31857), (629, 26691), (651, 25789), (697, 24087), (777, 21607), (861, 19499), (1147, 14637), (1271, 13209), (1517, 11067), (1581, 10619), (1887, 8897), (2091, 8029), (3441, 4879), (3689, 4551), (3813, 4403)]