9780655

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{709}}^1$

素因数の和:834

約数の個数: 16

約数和(自身を含む): 12268800

約数和(自身を除く): 2488145

約数列:

[1, 5, 31, 89, 155, 445, 709, 2759, 3545, 13795, 21979, 63101, 109895, 315505, 1956131, 9780655]

約数ペア:

[(1, 9780655), (5, 1956131), (31, 315505), (89, 109895), (155, 63101), (445, 21979), (709, 13795), (2759, 3545)]