42128210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{247813}}^1$

素因数の和:247837

約数の個数: 16

約数和(自身を含む): 80291736

約数和(自身を除く): 38163526

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 247813, 495626, 1239065, 2478130, 4212821, 8425642, 21064105, 42128210]

約数ペア:

[(1, 42128210), (2, 21064105), (5, 8425642), (10, 4212821), (17, 2478130), (34, 1239065), (85, 495626), (170, 247813)]