163996954

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{19163}}^1$

素因数の和:19565

約数の個数: 16

約数和(自身を含む): 269062560

約数和(自身を除く): 105065606

約数列:

[1, 2, 11, 22, 389, 778, 4279, 8558, 19163, 38326, 210793, 421586, 7454407, 14908814, 81998477, 163996954]

約数ペア:

[(1, 163996954), (2, 81998477), (11, 14908814), (22, 7454407), (389, 421586), (778, 210793), (4279, 38326), (8558, 19163)]