128742866

素因数分解:

$2^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{25057}}^1$

素因数の和:25433

約数の個数: 16

約数和(自身を含む): 221312256

約数和(自身を除く): 92569390

約数列:

[1, 2, 7, 14, 367, 734, 2569, 5138, 25057, 50114, 175399, 350798, 9195919, 18391838, 64371433, 128742866]

約数ペア:

[(1, 128742866), (2, 64371433), (7, 18391838), (14, 9195919), (367, 350798), (734, 175399), (2569, 50114), (5138, 25057)]