13247728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{63691}}^1$

素因数の和:63712

約数の個数: 20

約数和(自身を含む): 27642328

約数和(自身を除く): 14394600

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 63691, 127382, 254764, 509528, 827983, 1019056, 1655966, 3311932, 6623864, 13247728]

約数ペア:

[(1, 13247728), (2, 6623864), (4, 3311932), (8, 1655966), (13, 1019056), (16, 827983), (26, 509528), (52, 254764), (104, 127382), (208, 63691)]