258391294

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1\times {\mathrm{1361}}^1$

素因数の和:1632

約数の個数: 32

約数和(自身を含む): 451878912

約数和(自身を除く): 193487618

約数列:

[1, 2, 7, 14, 71, 142, 191, 382, 497, 994, 1337, 1361, 2674, 2722, 9527, 13561, 19054, 27122, 94927, 96631, 189854, 193262, 259951, 519902, 676417, 1352834, 1819657, 3639314, 18456521, 36913042, 129195647, 258391294]

約数ペア:

[(1, 258391294), (2, 129195647), (7, 36913042), (14, 18456521), (71, 3639314), (142, 1819657), (191, 1352834), (382, 676417), (497, 519902), (994, 259951), (1337, 193262), (1361, 189854), (2674, 96631), (2722, 94927), (9527, 27122), (13561, 19054)]