126728912

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{184199}}^1$

素因数の和:184250

約数の個数: 20

約数和(自身を含む): 251248800

約数和(自身を除く): 124519888

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 184199, 368398, 736796, 1473592, 2947184, 7920557, 15841114, 31682228, 63364456, 126728912]

約数ペア:

[(1, 126728912), (2, 63364456), (4, 31682228), (8, 15841114), (16, 7920557), (43, 2947184), (86, 1473592), (172, 736796), (344, 368398), (688, 184199)]