71251285

素因数分解:

$5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{353}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 100592640

約数和(自身を除く): 29341355

約数列:

[1, 5, 7, 35, 73, 79, 353, 365, 395, 511, 553, 1765, 2471, 2555, 2765, 5767, 12355, 25769, 27887, 28835, 40369, 128845, 139435, 180383, 195209, 201845, 901915, 976045, 2035751, 10178755, 14250257, 71251285]

約数ペア:

[(1, 71251285), (5, 14250257), (7, 10178755), (35, 2035751), (73, 976045), (79, 901915), (353, 201845), (365, 195209), (395, 180383), (511, 139435), (553, 128845), (1765, 40369), (2471, 28835), (2555, 27887), (2765, 25769), (5767, 12355)]