43421872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{208759}}^1$

素因数の和:208780

約数の個数: 20

約数和(自身を含む): 90601840

約数和(自身を除く): 47179968

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 208759, 417518, 835036, 1670072, 2713867, 3340144, 5427734, 10855468, 21710936, 43421872]

約数ペア:

[(1, 43421872), (2, 21710936), (4, 10855468), (8, 5427734), (13, 3340144), (16, 2713867), (26, 1670072), (52, 835036), (104, 417518), (208, 208759)]