129620018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{13421}}^1$

素因数の和:13873

約数の個数: 16

約数和(自身を含む): 212604480

約数和(自身を除く): 82984462

約数列:

[1, 2, 11, 22, 439, 878, 4829, 9658, 13421, 26842, 147631, 295262, 5891819, 11783638, 64810009, 129620018]

約数ペア:

[(1, 129620018), (2, 64810009), (11, 11783638), (22, 5891819), (439, 295262), (878, 147631), (4829, 26842), (9658, 13421)]