28221190

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1523}}^1$

素因数の和:1656

約数の個数: 32

約数和(自身を含む): 54315360

約数和(自身を除く): 26094170

約数列:

[1, 2, 5, 10, 17, 34, 85, 109, 170, 218, 545, 1090, 1523, 1853, 3046, 3706, 7615, 9265, 15230, 18530, 25891, 51782, 129455, 166007, 258910, 332014, 830035, 1660070, 2822119, 5644238, 14110595, 28221190]

約数ペア:

[(1, 28221190), (2, 14110595), (5, 5644238), (10, 2822119), (17, 1660070), (34, 830035), (85, 332014), (109, 258910), (170, 166007), (218, 129455), (545, 51782), (1090, 25891), (1523, 18530), (1853, 15230), (3046, 9265), (3706, 7615)]