81425906

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{8537}}^1$

素因数の和:8809

約数の個数: 16

約数和(自身を含む): 129094560

約数和(自身を除く): 47668654

約数列:

[1, 2, 19, 38, 251, 502, 4769, 8537, 9538, 17074, 162203, 324406, 2142787, 4285574, 40712953, 81425906]

約数ペア:

[(1, 81425906), (2, 40712953), (19, 4285574), (38, 2142787), (251, 324406), (502, 162203), (4769, 17074), (8537, 9538)]