220778846

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{397}}^1\times {\mathrm{2551}}^1$

素因数の和:3059

約数の個数: 16

約数和(自身を含む): 335179680

約数和(自身を除く): 114400834

約数列:

[1, 2, 109, 218, 397, 794, 2551, 5102, 43273, 86546, 278059, 556118, 1012747, 2025494, 110389423, 220778846]

約数ペア:

[(1, 220778846), (2, 110389423), (109, 2025494), (218, 1012747), (397, 556118), (794, 278059), (2551, 86546), (5102, 43273)]