2561640068

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{49262309}}^1$

素因数の和:49262326

約数の個数: 12

約数和(自身を含む): 4827706380

約数和(自身を除く): 2266066312

約数列:

[1, 2, 4, 13, 26, 52, 49262309, 98524618, 197049236, 640410017, 1280820034, 2561640068]

約数ペア:

[(1, 2561640068), (2, 1280820034), (4, 640410017), (13, 197049236), (26, 98524618), (52, 49262309)]