2905813981

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{135173}}^1$

素因数の和:135300

約数の個数: 16

約数和(自身を含む): 3451803264

約数和(自身を除く): 545989283

約数列:

[1, 7, 37, 83, 259, 581, 3071, 21497, 135173, 946211, 5001401, 11219359, 35009807, 78535513, 415116283, 2905813981]

約数ペア:

[(1, 2905813981), (7, 415116283), (37, 78535513), (83, 35009807), (259, 11219359), (581, 5001401), (3071, 946211), (21497, 135173)]