81429488

素因数分解:

$2^4\times 7^1\times {\mathrm{727049}}^1$

素因数の和:727064

約数の個数: 20

約数和(自身を含む): 180308400

約数和(自身を除く): 98878912

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 727049, 1454098, 2908196, 5089343, 5816392, 10178686, 11632784, 20357372, 40714744, 81429488]

約数ペア:

[(1, 81429488), (2, 40714744), (4, 20357372), (7, 11632784), (8, 10178686), (14, 5816392), (16, 5089343), (28, 2908196), (56, 1454098), (112, 727049)]