404005

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1$

素因数の和:133

約数の個数: 24

約数和(自身を含む): 603288

約数和(自身を除く): 199283

約数列:

[1, 5, 7, 17, 35, 49, 85, 97, 119, 245, 485, 595, 679, 833, 1649, 3395, 4165, 4753, 8245, 11543, 23765, 57715, 80801, 404005]

約数ペア:

[(1, 404005), (5, 80801), (7, 57715), (17, 23765), (35, 11543), (49, 8245), (85, 4753), (97, 4165), (119, 3395), (245, 1649), (485, 833), (595, 679)]