206165804

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{304979}}^1$

素因数の和:305009

約数の個数: 18

約数和(自身を含む): 390679380

約数和(自身を除く): 184513576

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 304979, 609958, 1219916, 3964727, 7929454, 15858908, 51541451, 103082902, 206165804]

約数ペア:

[(1, 206165804), (2, 103082902), (4, 51541451), (13, 15858908), (26, 7929454), (52, 3964727), (169, 1219916), (338, 609958), (676, 304979)]