289236428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{5562239}}^1$

素因数の和:5562256

約数の個数: 12

約数和(自身を含む): 545099520

約数和(自身を除く): 255863092

約数列:

[1, 2, 4, 13, 26, 52, 5562239, 11124478, 22248956, 72309107, 144618214, 289236428]

約数ペア:

[(1, 289236428), (2, 144618214), (4, 72309107), (13, 22248956), (26, 11124478), (52, 5562239)]