85305521

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{631}}^1$

素因数の和:765

約数の個数: 24

約数和(自身を含む): 103749120

約数和(自身を除く): 18443599

約数列:

[1, 7, 31, 49, 89, 217, 623, 631, 1519, 2759, 4361, 4417, 19313, 19561, 30919, 56159, 135191, 136927, 393113, 958489, 1740929, 2751791, 12186503, 85305521]

約数ペア:

[(1, 85305521), (7, 12186503), (31, 2751791), (49, 1740929), (89, 958489), (217, 393113), (623, 136927), (631, 135191), (1519, 56159), (2759, 30919), (4361, 19561), (4417, 19313)]