81305434

素因数分解:

$2^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{13229}}^1$

素因数の和:13677

約数の個数: 16

約数和(自身を含む): 139708800

約数和(自身を除く): 58403366

約数列:

[1, 2, 7, 14, 439, 878, 3073, 6146, 13229, 26458, 92603, 185206, 5807531, 11615062, 40652717, 81305434]

約数ペア:

[(1, 81305434), (2, 40652717), (7, 11615062), (14, 5807531), (439, 185206), (878, 92603), (3073, 26458), (6146, 13229)]