1247571295

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{21401}}^1$

素因数の和:21626

約数の個数: 16

約数和(自身を含む): 1525534560

約数和(自身を除く): 277963265

約数列:

[1, 5, 89, 131, 445, 655, 11659, 21401, 58295, 107005, 1904689, 2803531, 9523445, 14017655, 249514259, 1247571295]

約数ペア:

[(1, 1247571295), (5, 249514259), (89, 14017655), (131, 9523445), (445, 2803531), (655, 1904689), (11659, 107005), (21401, 58295)]