28572565

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 40663296

約数和(自身を除く): 12090731

約数列:

[1, 5, 7, 35, 53, 73, 211, 265, 365, 371, 511, 1055, 1477, 1855, 2555, 3869, 7385, 11183, 15403, 19345, 27083, 55915, 77015, 78281, 107821, 135415, 391405, 539105, 816359, 4081795, 5714513, 28572565]

約数ペア:

[(1, 28572565), (5, 5714513), (7, 4081795), (35, 816359), (53, 539105), (73, 391405), (211, 135415), (265, 107821), (365, 78281), (371, 77015), (511, 55915), (1055, 27083), (1477, 19345), (1855, 15403), (2555, 11183), (3869, 7385)]