1979918824

素因数分解:

$2^3\times {\mathrm{13}}^3\times {\mathrm{127}}^1\times {\mathrm{887}}^1$

素因数の和:1059

約数の個数: 64

約数和(自身を含む): 4057804800

約数和(自身を除く): 2077885976

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 127, 169, 254, 338, 508, 676, 887, 1016, 1352, 1651, 1774, 2197, 3302, 3548, 4394, 6604, 7096, 8788, 11531, 13208, 17576, 21463, 23062, 42926, 46124, 85852, 92248, 112649, 149903, 171704, 225298, 279019, 299806, 450596, 558038, 599612, 901192, 1116076, 1199224, 1464437, 1948739, 2232152, 2928874, 3897478, 5857748, 7794956, 11715496, 15589912, 19037681, 38075362, 76150724, 152301448, 247489853, 494979706, 989959412, 1979918824]

約数ペア:

[(1, 1979918824), (2, 989959412), (4, 494979706), (8, 247489853), (13, 152301448), (26, 76150724), (52, 38075362), (104, 19037681), (127, 15589912), (169, 11715496), (254, 7794956), (338, 5857748), (508, 3897478), (676, 2928874), (887, 2232152), (1016, 1948739), (1352, 1464437), (1651, 1199224), (1774, 1116076), (2197, 901192), (3302, 599612), (3548, 558038), (4394, 450596), (6604, 299806), (7096, 279019), (8788, 225298), (11531, 171704), (13208, 149903), (17576, 112649), (21463, 92248), (23062, 85852), (42926, 46124)]