217620986

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{430081}}^1$

素因数の和:430117

約数の個数: 16

約数和(自身を含む): 371590848

約数和(自身を除く): 153969862

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 430081, 860162, 4730891, 9461782, 9891863, 19783726, 108810493, 217620986]

約数ペア:

[(1, 217620986), (2, 108810493), (11, 19783726), (22, 9891863), (23, 9461782), (46, 4730891), (253, 860162), (506, 430081)]