217617834

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{20161}}^1$

素因数の和:20430

約数の個数: 32

約数和(自身を含む): 499372416

約数和(自身を除く): 281754582

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 257, 514, 771, 1542, 1799, 3598, 5397, 10794, 20161, 40322, 60483, 120966, 141127, 282254, 423381, 846762, 5181377, 10362754, 15544131, 31088262, 36269639, 72539278, 108808917, 217617834]

約数ペア:

[(1, 217617834), (2, 108808917), (3, 72539278), (6, 36269639), (7, 31088262), (14, 15544131), (21, 10362754), (42, 5181377), (257, 846762), (514, 423381), (771, 282254), (1542, 141127), (1799, 120966), (3598, 60483), (5397, 40322), (10794, 20161)]