68698864

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{7681}}^1$

素因数の和:7745

約数の個数: 40

約数和(自身を含む): 146695472

約数和(自身を除く): 77996608

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 4472, 7681, 8944, 15362, 30724, 61448, 99853, 122896, 199706, 330283, 399412, 660566, 798824, 1321132, 1597648, 2642264, 4293679, 5284528, 8587358, 17174716, 34349432, 68698864]

約数ペア:

[(1, 68698864), (2, 34349432), (4, 17174716), (8, 8587358), (13, 5284528), (16, 4293679), (26, 2642264), (43, 1597648), (52, 1321132), (86, 798824), (104, 660566), (172, 399412), (208, 330283), (344, 199706), (559, 122896), (688, 99853), (1118, 61448), (2236, 30724), (4472, 15362), (7681, 8944)]