872210210

素因数分解:

$2^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{135647}}^1$

素因数の和:136297

約数の個数: 16

約数和(自身を含む): 1572431616

約数和(自身を除く): 700221406

約数列:

[1, 2, 5, 10, 643, 1286, 3215, 6430, 135647, 271294, 678235, 1356470, 87221021, 174442042, 436105105, 872210210]

約数ペア:

[(1, 872210210), (2, 436105105), (5, 174442042), (10, 87221021), (643, 1356470), (1286, 678235), (3215, 271294), (6430, 135647)]