81243344

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{55799}}^1$

素因数の和:55827

約数の個数: 40

約数和(自身を含む): 193737600

約数和(自身を除く): 112494256

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 55799, 111598, 223196, 390593, 446392, 725387, 781186, 892784, 1450774, 1562372, 2901548, 3124744, 5077709, 5803096, 6249488, 10155418, 11606192, 20310836, 40621672, 81243344]

約数ペア:

[(1, 81243344), (2, 40621672), (4, 20310836), (7, 11606192), (8, 10155418), (13, 6249488), (14, 5803096), (16, 5077709), (26, 3124744), (28, 2901548), (52, 1562372), (56, 1450774), (91, 892784), (104, 781186), (112, 725387), (182, 446392), (208, 390593), (364, 223196), (728, 111598), (1456, 55799)]