208403728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1001941}}^1$

素因数の和:1001962

約数の個数: 20

約数和(自身を含む): 434842828

約数和(自身を除く): 226439100

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1001941, 2003882, 4007764, 8015528, 13025233, 16031056, 26050466, 52100932, 104201864, 208403728]

約数ペア:

[(1, 208403728), (2, 104201864), (4, 52100932), (8, 26050466), (13, 16031056), (16, 13025233), (26, 8015528), (52, 4007764), (104, 2003882), (208, 1001941)]