81127594

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1\times {\mathrm{1907}}^1$

素因数の和:2237

約数の個数: 16

約数和(自身を含む): 123638400

約数和(自身を除く): 42510806

約数列:

[1, 2, 89, 178, 239, 478, 1907, 3814, 21271, 42542, 169723, 339446, 455773, 911546, 40563797, 81127594]

約数ペア:

[(1, 81127594), (2, 40563797), (89, 911546), (178, 455773), (239, 339446), (478, 169723), (1907, 42542), (3814, 21271)]