81865558

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{8369}}^1$

素因数の和:8511

約数の個数: 16

約数和(自身を含む): 126353520

約数和(自身を除く): 44487962

約数列:

[1, 2, 67, 73, 134, 146, 4891, 8369, 9782, 16738, 560723, 610937, 1121446, 1221874, 40932779, 81865558]

約数ペア:

[(1, 81865558), (2, 40932779), (67, 1221874), (73, 1121446), (134, 610937), (146, 560723), (4891, 16738), (8369, 9782)]