49198891

素因数分解:

$7^4\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:720

約数の個数: 20

約数和(自身を含む): 59336384

約数和(自身を除く): 10137493

約数列:

[1, 7, 31, 49, 217, 343, 661, 1519, 2401, 4627, 10633, 20491, 32389, 74431, 143437, 226723, 1004059, 1587061, 7028413, 49198891]

約数ペア:

[(1, 49198891), (7, 7028413), (31, 1587061), (49, 1004059), (217, 226723), (343, 143437), (661, 74431), (1519, 32389), (2401, 20491), (4627, 10633)]