257029226

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{20071}}^1$

素因数の和:20429

約数の個数: 16

約数和(自身を含む): 407060160

約数和(自身を除く): 150030934

約数列:

[1, 2, 19, 38, 337, 674, 6403, 12806, 20071, 40142, 381349, 762698, 6763927, 13527854, 128514613, 257029226]

約数ペア:

[(1, 257029226), (2, 128514613), (19, 13527854), (38, 6763927), (337, 762698), (674, 381349), (6403, 40142), (12806, 20071)]