40781986

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{22937}}^1$

素因数の和:23073

約数の個数: 16

約数和(自身を含む): 70465536

約数和(自身を除く): 29683550

約数列:

[1, 2, 7, 14, 127, 254, 889, 1778, 22937, 45874, 160559, 321118, 2912999, 5825998, 20390993, 40781986]

約数ペア:

[(1, 40781986), (2, 20390993), (7, 5825998), (14, 2912999), (127, 321118), (254, 160559), (889, 45874), (1778, 22937)]