31722821

素因数分解:

${\mathrm{13}}^2\times {\mathrm{337}}^1\times {\mathrm{557}}^1$

素因数の和:920

約数の個数: 12

約数和(自身を含む): 34514532

約数和(自身を除く): 2791711

約数列:

[1, 13, 169, 337, 557, 4381, 7241, 56953, 94133, 187709, 2440217, 31722821]

約数ペア:

[(1, 31722821), (13, 2440217), (169, 187709), (337, 94133), (557, 56953), (4381, 7241)]