28684355

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 43436736

約数和(自身を除く): 14752381

約数列:

[1, 5, 7, 17, 35, 49, 71, 85, 97, 119, 245, 355, 485, 497, 595, 679, 833, 1207, 1649, 2485, 3395, 3479, 4165, 4753, 6035, 6887, 8245, 8449, 11543, 17395, 23765, 34435, 42245, 48209, 57715, 59143, 80801, 117079, 241045, 295715, 337463, 404005, 585395, 819553, 1687315, 4097765, 5736871, 28684355]

約数ペア:

[(1, 28684355), (5, 5736871), (7, 4097765), (17, 1687315), (35, 819553), (49, 585395), (71, 404005), (85, 337463), (97, 295715), (119, 241045), (245, 117079), (355, 80801), (485, 59143), (497, 57715), (595, 48209), (679, 42245), (833, 34435), (1207, 23765), (1649, 17395), (2485, 11543), (3395, 8449), (3479, 8245), (4165, 6887), (4753, 6035)]