81144904

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{247393}}^1$

素因数の和:247440

約数の個数: 16

約数和(自身を含む): 155858220

約数和(自身を除く): 74713316

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 247393, 494786, 989572, 1979144, 10143113, 20286226, 40572452, 81144904]

約数ペア:

[(1, 81144904), (2, 40572452), (4, 20286226), (8, 10143113), (41, 1979144), (82, 989572), (164, 494786), (328, 247393)]