81228678

素因数分解:

$2^1\times 3^1\times {\mathrm{487}}^1\times {\mathrm{27799}}^1$

素因数の和:28291

約数の個数: 16

約数和(自身を含む): 162796800

約数和(自身を除く): 81568122

約数列:

[1, 2, 3, 6, 487, 974, 1461, 2922, 27799, 55598, 83397, 166794, 13538113, 27076226, 40614339, 81228678]

約数ペア:

[(1, 81228678), (2, 40614339), (3, 27076226), (6, 13538113), (487, 166794), (974, 83397), (1461, 55598), (2922, 27799)]