51429872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{247259}}^1$

素因数の和:247280

約数の個数: 20

約数和(自身を含む): 107310840

約数和(自身を除く): 55880968

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 247259, 494518, 989036, 1978072, 3214367, 3956144, 6428734, 12857468, 25714936, 51429872]

約数ペア:

[(1, 51429872), (2, 25714936), (4, 12857468), (8, 6428734), (13, 3956144), (16, 3214367), (26, 1978072), (52, 989036), (104, 494518), (208, 247259)]