71771984

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{154681}}^1$

素因数の和:154718

約数の個数: 20

約数和(自身を含む): 143854260

約数和(自身を除く): 72082276

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 154681, 309362, 618724, 1237448, 2474896, 4485749, 8971498, 17942996, 35885992, 71771984]

約数ペア:

[(1, 71771984), (2, 35885992), (4, 17942996), (8, 8971498), (16, 4485749), (29, 2474896), (58, 1237448), (116, 618724), (232, 309362), (464, 154681)]