398889410

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{972901}}^1$

素因数の和:972949

約数の個数: 16

約数和(自身を含む): 735513912

約数和(自身を除く): 336624502

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 972901, 1945802, 4864505, 9729010, 39888941, 79777882, 199444705, 398889410]

約数ペア:

[(1, 398889410), (2, 199444705), (5, 79777882), (10, 39888941), (41, 9729010), (82, 4864505), (205, 1945802), (410, 972901)]