81034288

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{71333}}^1$

素因数の和:71412

約数の個数: 20

約数和(自身を含む): 159217488

約数和(自身を除く): 78183200

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 71333, 142666, 285332, 570664, 1141328, 5064643, 10129286, 20258572, 40517144, 81034288]

約数ペア:

[(1, 81034288), (2, 40517144), (4, 20258572), (8, 10129286), (16, 5064643), (71, 1141328), (142, 570664), (284, 285332), (568, 142666), (1136, 71333)]