31528294

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{17191}}^1$

素因数の和:17331

約数の個数: 16

約数和(自身を含む): 54464256

約数和(自身を除く): 22935962

約数列:

[1, 2, 7, 14, 131, 262, 917, 1834, 17191, 34382, 120337, 240674, 2252021, 4504042, 15764147, 31528294]

約数ペア:

[(1, 31528294), (2, 15764147), (7, 4504042), (14, 2252021), (131, 240674), (262, 120337), (917, 34382), (1834, 17191)]