131028142

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{492587}}^1$

素因数の和:492615

約数の個数: 16

約数和(自身を含む): 236442240

約数和(自身を除く): 105414098

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 492587, 985174, 3448109, 6896218, 9359153, 18718306, 65514071, 131028142]

約数ペア:

[(1, 131028142), (2, 65514071), (7, 18718306), (14, 9359153), (19, 6896218), (38, 3448109), (133, 985174), (266, 492587)]