291211954

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{426997}}^1$

素因数の和:427041

約数の個数: 16

約数和(自身を含む): 491901696

約数和(自身を除く): 200689742

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 426997, 853994, 4696967, 9393934, 13236907, 26473814, 145605977, 291211954]

約数ペア:

[(1, 291211954), (2, 145605977), (11, 26473814), (22, 13236907), (31, 9393934), (62, 4696967), (341, 853994), (682, 426997)]