1389746384

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{142159}}^1$

素因数の和:142227

約数の個数: 40

約数和(自身を含む): 2961477120

約数和(自身を除く): 1571730736

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 188, 208, 376, 611, 752, 1222, 2444, 4888, 9776, 142159, 284318, 568636, 1137272, 1848067, 2274544, 3696134, 6681473, 7392268, 13362946, 14784536, 26725892, 29569072, 53451784, 86859149, 106903568, 173718298, 347436596, 694873192, 1389746384]

約数ペア:

[(1, 1389746384), (2, 694873192), (4, 347436596), (8, 173718298), (13, 106903568), (16, 86859149), (26, 53451784), (47, 29569072), (52, 26725892), (94, 14784536), (104, 13362946), (188, 7392268), (208, 6681473), (376, 3696134), (611, 2274544), (752, 1848067), (1222, 1137272), (2444, 568636), (4888, 284318), (9776, 142159)]