28019056

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{134707}}^1$

素因数の和:134728

約数の個数: 20

約数和(自身を含む): 58463272

約数和(自身を除く): 30444216

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 134707, 269414, 538828, 1077656, 1751191, 2155312, 3502382, 7004764, 14009528, 28019056]

約数ペア:

[(1, 28019056), (2, 14009528), (4, 7004764), (8, 3502382), (13, 2155312), (16, 1751191), (26, 1077656), (52, 538828), (104, 269414), (208, 134707)]