64838210

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{15401}}^1$

素因数の和:15829

約数の個数: 16

約数和(自身を含む): 116993592

約数和(自身を除く): 52155382

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 15401, 30802, 77005, 154010, 6483821, 12967642, 32419105, 64838210]

約数ペア:

[(1, 64838210), (2, 32419105), (5, 12967642), (10, 6483821), (421, 154010), (842, 77005), (2105, 30802), (4210, 15401)]