257248928162

素因数分解:

$2^1\times {\mathrm{613}}^1\times {\mathrm{653}}^1\times {\mathrm{321329}}^1$

素因数の和:322597

約数の個数: 16

約数和(自身を含む): 387095968440

約数和(自身を除く): 129847040278

約数列:

[1, 2, 613, 653, 1226, 1306, 321329, 400289, 642658, 800578, 196974677, 209827837, 393949354, 419655674, 128624464081, 257248928162]

約数ペア:

[(1, 257248928162), (2, 128624464081), (613, 419655674), (653, 393949354), (1226, 209827837), (1306, 196974677), (321329, 800578), (400289, 642658)]