80872342

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1\times {\mathrm{1901}}^1$

素因数の和:2231

約数の個数: 16

約数和(自身を含む): 123249600

約数和(自身を除く): 42377258

約数列:

[1, 2, 89, 178, 239, 478, 1901, 3802, 21271, 42542, 169189, 338378, 454339, 908678, 40436171, 80872342]

約数ペア:

[(1, 80872342), (2, 40436171), (89, 908678), (178, 454339), (239, 338378), (478, 169189), (1901, 42542), (3802, 21271)]