78816004

素因数分解:

$2^2\times {\mathrm{281}}^1\times {\mathrm{70121}}^1$

素因数の和:70406

約数の個数: 12

約数和(自身を含む): 138420828

約数和(自身を除く): 59604824

約数列:

[1, 2, 4, 281, 562, 1124, 70121, 140242, 280484, 19704001, 39408002, 78816004]

約数ペア:

[(1, 78816004), (2, 39408002), (4, 19704001), (281, 280484), (562, 140242), (1124, 70121)]