3991922

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{431}}^1$

素因数の和:865

約数の個数: 16

約数和(自身を含む): 6562944

約数和(自身を除く): 2571022

約数列:

[1, 2, 11, 22, 421, 431, 842, 862, 4631, 4741, 9262, 9482, 181451, 362902, 1995961, 3991922]

約数ペア:

[(1, 3991922), (2, 1995961), (11, 362902), (22, 181451), (421, 9482), (431, 9262), (842, 4741), (862, 4631)]