31981036

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{73351}}^1$

素因数の和:73464

約数の個数: 12

約数和(自身を含む): 56481040

約数和(自身を除く): 24500004

約数列:

[1, 2, 4, 109, 218, 436, 73351, 146702, 293404, 7995259, 15990518, 31981036]

約数ペア:

[(1, 31981036), (2, 15990518), (4, 7995259), (109, 293404), (218, 146702), (436, 73351)]