257748234

素因数分解:

$2^1\times 3^1\times {\mathrm{107}}^1\times {\mathrm{401477}}^1$

素因数の和:401589

約数の個数: 16

約数和(自身を含む): 520315488

約数和(自身を除く): 262567254

約数列:

[1, 2, 3, 6, 107, 214, 321, 642, 401477, 802954, 1204431, 2408862, 42958039, 85916078, 128874117, 257748234]

約数ペア:

[(1, 257748234), (2, 128874117), (3, 85916078), (6, 42958039), (107, 2408862), (214, 1204431), (321, 802954), (642, 401477)]