81370208

素因数分解:

$2^5\times {\mathrm{89}}^1\times {\mathrm{28571}}^1$

素因数の和:28670

約数の個数: 24

約数和(自身を含む): 162003240

約数和(自身を除く): 80633032

約数列:

[1, 2, 4, 8, 16, 32, 89, 178, 356, 712, 1424, 2848, 28571, 57142, 114284, 228568, 457136, 914272, 2542819, 5085638, 10171276, 20342552, 40685104, 81370208]

約数ペア:

[(1, 81370208), (2, 40685104), (4, 20342552), (8, 10171276), (16, 5085638), (32, 2542819), (89, 914272), (178, 457136), (356, 228568), (712, 114284), (1424, 57142), (2848, 28571)]