26859745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1249}}^1$

素因数の和:1305

約数の個数: 32

約数和(自身を含む): 38880000

約数和(自身を除く): 12020255

約数列:

[1, 5, 11, 17, 23, 55, 85, 115, 187, 253, 391, 935, 1249, 1265, 1955, 4301, 6245, 13739, 21233, 21505, 28727, 68695, 106165, 143635, 233563, 315997, 488359, 1167815, 1579985, 2441795, 5371949, 26859745]

約数ペア:

[(1, 26859745), (5, 5371949), (11, 2441795), (17, 1579985), (23, 1167815), (55, 488359), (85, 315997), (115, 233563), (187, 143635), (253, 106165), (391, 68695), (935, 28727), (1249, 21505), (1265, 21233), (1955, 13739), (4301, 6245)]