78220984

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{137713}}^1$

素因数の和:137790

約数の個数: 16

約数和(自身を含む): 148731120

約数和(自身を除く): 70510136

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 137713, 275426, 550852, 1101704, 9777623, 19555246, 39110492, 78220984]

約数ペア:

[(1, 78220984), (2, 39110492), (4, 19555246), (8, 9777623), (71, 1101704), (142, 550852), (284, 275426), (568, 137713)]