989212

素因数分解:

$2^2\times 7^4\times {\mathrm{103}}^1$

素因数の和:135

約数の個数: 30

約数和(自身を含む): 2039128

約数和(自身を除く): 1049916

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 103, 196, 206, 343, 412, 686, 721, 1372, 1442, 2401, 2884, 4802, 5047, 9604, 10094, 20188, 35329, 70658, 141316, 247303, 494606, 989212]

約数ペア:

[(1, 989212), (2, 494606), (4, 247303), (7, 141316), (14, 70658), (28, 35329), (49, 20188), (98, 10094), (103, 9604), (196, 5047), (206, 4802), (343, 2884), (412, 2401), (686, 1442), (721, 1372)]