31978352

素因数分解:

$2^4\times 7^1\times {\mathrm{285521}}^1$

素因数の和:285536

約数の個数: 20

約数和(自身を含む): 70809456

約数和(自身を除く): 38831104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 285521, 571042, 1142084, 1998647, 2284168, 3997294, 4568336, 7994588, 15989176, 31978352]

約数ペア:

[(1, 31978352), (2, 15989176), (4, 7994588), (7, 4568336), (8, 3997294), (14, 2284168), (16, 1998647), (28, 1142084), (56, 571042), (112, 285521)]