81437008

素因数分解:

$2^4\times {\mathrm{1321}}^1\times {\mathrm{3853}}^1$

素因数の和:5182

約数の個数: 20

約数和(自身を含む): 157944628

約数和(自身を除く): 76507620

約数列:

[1, 2, 4, 8, 16, 1321, 2642, 3853, 5284, 7706, 10568, 15412, 21136, 30824, 61648, 5089813, 10179626, 20359252, 40718504, 81437008]

約数ペア:

[(1, 81437008), (2, 40718504), (4, 20359252), (8, 10179626), (16, 5089813), (1321, 61648), (2642, 30824), (3853, 21136), (5284, 15412), (7706, 10568)]