257199851

素因数分解:

${\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{1259}}^1$

素因数の和:1534

約数の個数: 16

約数和(自身を含む): 278419680

約数和(自身を除く): 21219829

約数列:

[1, 17, 61, 197, 1037, 1259, 3349, 12017, 21403, 76799, 204289, 248023, 1305583, 4216391, 15129403, 257199851]

約数ペア:

[(1, 257199851), (17, 15129403), (61, 4216391), (197, 1305583), (1037, 248023), (1259, 204289), (3349, 76799), (12017, 21403)]