128709904

素因数分解:

$2^4\times {\mathrm{673}}^1\times {\mathrm{11953}}^1$

素因数の和:12634

約数の個数: 20

約数和(自身を含む): 249766876

約数和(自身を除く): 121056972

約数列:

[1, 2, 4, 8, 16, 673, 1346, 2692, 5384, 10768, 11953, 23906, 47812, 95624, 191248, 8044369, 16088738, 32177476, 64354952, 128709904]

約数ペア:

[(1, 128709904), (2, 64354952), (4, 32177476), (8, 16088738), (16, 8044369), (673, 191248), (1346, 95624), (2692, 47812), (5384, 23906), (10768, 11953)]