217645918

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{6317}}^1$

素因数の和:6456

約数の個数: 32

約数和(自身を含む): 393030144

約数和(自身を除く): 175384226

約数列:

[1, 2, 7, 14, 23, 46, 107, 161, 214, 322, 749, 1498, 2461, 4922, 6317, 12634, 17227, 34454, 44219, 88438, 145291, 290582, 675919, 1017037, 1351838, 2034074, 4731433, 9462866, 15546137, 31092274, 108822959, 217645918]

約数ペア:

[(1, 217645918), (2, 108822959), (7, 31092274), (14, 15546137), (23, 9462866), (46, 4731433), (107, 2034074), (161, 1351838), (214, 1017037), (322, 675919), (749, 290582), (1498, 145291), (2461, 88438), (4922, 44219), (6317, 34454), (12634, 17227)]