81981112

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{330569}}^1$

素因数の和:330606

約数の個数: 16

約数和(自身を含む): 158673600

約数和(自身を除く): 76692488

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 330569, 661138, 1322276, 2644552, 10247639, 20495278, 40990556, 81981112]

約数ペア:

[(1, 81981112), (2, 40990556), (4, 20495278), (8, 10247639), (31, 2644552), (62, 1322276), (124, 661138), (248, 330569)]