257438238

素因数分解:

$2^1\times 3^1\times {\mathrm{157}}^1\times {\mathrm{273289}}^1$

素因数の和:273451

約数の個数: 16

約数和(自身を含む): 518157840

約数和(自身を除く): 260719602

約数列:

[1, 2, 3, 6, 157, 314, 471, 942, 273289, 546578, 819867, 1639734, 42906373, 85812746, 128719119, 257438238]

約数ペア:

[(1, 257438238), (2, 128719119), (3, 85812746), (6, 42906373), (157, 1639734), (314, 819867), (471, 546578), (942, 273289)]