8191887

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:331

約数の個数: 32

約数和(自身を含む): 12773376

約数和(自身を除く): 4581489

約数列:

[1, 3, 11, 23, 33, 43, 69, 129, 251, 253, 473, 753, 759, 989, 1419, 2761, 2967, 5773, 8283, 10793, 10879, 17319, 32379, 32637, 63503, 118723, 190509, 248239, 356169, 744717, 2730629, 8191887]

約数ペア:

[(1, 8191887), (3, 2730629), (11, 744717), (23, 356169), (33, 248239), (43, 190509), (69, 118723), (129, 63503), (251, 32637), (253, 32379), (473, 17319), (753, 10879), (759, 10793), (989, 8283), (1419, 5773), (2761, 2967)]