43979728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{211441}}^1$

素因数の和:211462

約数の個数: 20

約数和(自身を含む): 91765828

約数和(自身を除く): 47786100

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 211441, 422882, 845764, 1691528, 2748733, 3383056, 5497466, 10994932, 21989864, 43979728]

約数ペア:

[(1, 43979728), (2, 21989864), (4, 10994932), (8, 5497466), (13, 3383056), (16, 2748733), (26, 1691528), (52, 845764), (104, 422882), (208, 211441)]