81796816

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{76303}}^1$

素因数の和:76378

約数の個数: 20

約数和(自身を含む): 160848832

約数和(自身を除く): 79052016

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 76303, 152606, 305212, 610424, 1220848, 5112301, 10224602, 20449204, 40898408, 81796816]

約数ペア:

[(1, 81796816), (2, 40898408), (4, 20449204), (8, 10224602), (16, 5112301), (67, 1220848), (134, 610424), (268, 305212), (536, 152606), (1072, 76303)]