8640426

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{19727}}^1$

素因数の和:19805

約数の個数: 16

約数和(自身を含む): 17518464

約数和(自身を除く): 8878038

約数列:

[1, 2, 3, 6, 73, 146, 219, 438, 19727, 39454, 59181, 118362, 1440071, 2880142, 4320213, 8640426]

約数ペア:

[(1, 8640426), (2, 4320213), (3, 2880142), (6, 1440071), (73, 118362), (146, 59181), (219, 39454), (438, 19727)]