31885438

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{72139}}^1$

素因数の和:72171

約数の個数: 16

約数和(自身を含む): 54537840

約数和(自身を除く): 22652402

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 72139, 144278, 937807, 1226363, 1875614, 2452726, 15942719, 31885438]

約数ペア:

[(1, 31885438), (2, 15942719), (13, 2452726), (17, 1875614), (26, 1226363), (34, 937807), (221, 144278), (442, 72139)]