31375568

素因数分解:

$2^4\times 7^1\times {\mathrm{280139}}^1$

素因数の和:280154

約数の個数: 20

約数和(自身を含む): 69474720

約数和(自身を除く): 38099152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 280139, 560278, 1120556, 1960973, 2241112, 3921946, 4482224, 7843892, 15687784, 31375568]

約数ペア:

[(1, 31375568), (2, 15687784), (4, 7843892), (7, 4482224), (8, 3921946), (14, 2241112), (16, 1960973), (28, 1120556), (56, 560278), (112, 280139)]