209214691

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{18191}}^1$

素因数の和:18282

約数の個数: 16

約数和(自身を含む): 251486208

約数和(自身を除く): 42271517

約数列:

[1, 7, 31, 53, 217, 371, 1643, 11501, 18191, 127337, 563921, 964123, 3947447, 6748861, 29887813, 209214691]

約数ペア:

[(1, 209214691), (7, 29887813), (31, 6748861), (53, 3947447), (217, 964123), (371, 563921), (1643, 127337), (11501, 18191)]