671768

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{641}}^1$

素因数の和:778

約数の個数: 16

約数和(自身を含む): 1271160

約数和(自身を除く): 599392

約数列:

[1, 2, 4, 8, 131, 262, 524, 641, 1048, 1282, 2564, 5128, 83971, 167942, 335884, 671768]

約数ペア:

[(1, 671768), (2, 335884), (4, 167942), (8, 83971), (131, 5128), (262, 2564), (524, 1282), (641, 1048)]