217870142

素因数分解:

$2^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{67957}}^1$

素因数の和:68195

約数の個数: 16

約数和(自身を含む): 375128160

約数和(自身を除く): 157258018

約数列:

[1, 2, 7, 14, 229, 458, 1603, 3206, 67957, 135914, 475699, 951398, 15562153, 31124306, 108935071, 217870142]

約数ペア:

[(1, 217870142), (2, 108935071), (7, 31124306), (14, 15562153), (229, 951398), (458, 475699), (1603, 135914), (3206, 67957)]