198374

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:211

約数の個数: 16

約数和(自身を含む): 331776

約数和(自身を除く): 133402

約数列:

[1, 2, 11, 22, 71, 127, 142, 254, 781, 1397, 1562, 2794, 9017, 18034, 99187, 198374]

約数ペア:

[(1, 198374), (2, 99187), (11, 18034), (22, 9017), (71, 2794), (127, 1562), (142, 1397), (254, 781)]