81286576

素因数分解:

$2^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{9187}}^1$

素因数の和:9281

約数の個数: 40

約数和(自身を含む): 182289920

約数和(自身を除く): 101003344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 79, 112, 158, 316, 553, 632, 1106, 1264, 2212, 4424, 8848, 9187, 18374, 36748, 64309, 73496, 128618, 146992, 257236, 514472, 725773, 1028944, 1451546, 2903092, 5080411, 5806184, 10160822, 11612368, 20321644, 40643288, 81286576]

約数ペア:

[(1, 81286576), (2, 40643288), (4, 20321644), (7, 11612368), (8, 10160822), (14, 5806184), (16, 5080411), (28, 2903092), (56, 1451546), (79, 1028944), (112, 725773), (158, 514472), (316, 257236), (553, 146992), (632, 128618), (1106, 73496), (1264, 64309), (2212, 36748), (4424, 18374), (8848, 9187)]