28481866

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{449}}^1$

素因数の和:678

約数の個数: 32

約数和(自身を含む): 51321600

約数和(自身を除く): 22839734

約数列:

[1, 2, 7, 14, 23, 46, 161, 197, 322, 394, 449, 898, 1379, 2758, 3143, 4531, 6286, 9062, 10327, 20654, 31717, 63434, 72289, 88453, 144578, 176906, 619171, 1238342, 2034419, 4068838, 14240933, 28481866]

約数ペア:

[(1, 28481866), (2, 14240933), (7, 4068838), (14, 2034419), (23, 1238342), (46, 619171), (161, 176906), (197, 144578), (322, 88453), (394, 72289), (449, 63434), (898, 31717), (1379, 20654), (2758, 10327), (3143, 9062), (4531, 6286)]