257121242

素因数分解:

$2^1\times 7^1\times {\mathrm{593}}^1\times {\mathrm{30971}}^1$

素因数の和:31573

約数の個数: 16

約数和(自身を含む): 441536832

約数和(自身を除く): 184415590

約数列:

[1, 2, 7, 14, 593, 1186, 4151, 8302, 30971, 61942, 216797, 433594, 18365803, 36731606, 128560621, 257121242]

約数ペア:

[(1, 257121242), (2, 128560621), (7, 36731606), (14, 18365803), (593, 433594), (1186, 216797), (4151, 61942), (8302, 30971)]