2003593988

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{193}}^1\times {\mathrm{241}}^1$

素因数の和:549

約数の個数: 72

約数和(自身を含む): 3933772920

約数和(自身を除く): 1930178932

約数列:

[1, 2, 4, 11, 22, 44, 89, 121, 178, 193, 241, 242, 356, 386, 482, 484, 772, 964, 979, 1958, 2123, 2651, 3916, 4246, 5302, 8492, 10604, 10769, 17177, 21449, 21538, 23353, 29161, 34354, 42898, 43076, 46513, 46706, 58322, 68708, 85796, 93026, 93412, 116644, 186052, 188947, 235939, 377894, 471878, 511643, 755788, 943756, 1023286, 2046572, 2078417, 2595329, 4139657, 4156834, 5190658, 5628073, 8279314, 8313668, 10381316, 11256146, 16558628, 22512292, 45536227, 91072454, 182144908, 500898497, 1001796994, 2003593988]

約数ペア:

[(1, 2003593988), (2, 1001796994), (4, 500898497), (11, 182144908), (22, 91072454), (44, 45536227), (89, 22512292), (121, 16558628), (178, 11256146), (193, 10381316), (241, 8313668), (242, 8279314), (356, 5628073), (386, 5190658), (482, 4156834), (484, 4139657), (772, 2595329), (964, 2078417), (979, 2046572), (1958, 1023286), (2123, 943756), (2651, 755788), (3916, 511643), (4246, 471878), (5302, 377894), (8492, 235939), (10604, 188947), (10769, 186052), (17177, 116644), (21449, 93412), (21538, 93026), (23353, 85796), (29161, 68708), (34354, 58322), (42898, 46706), (43076, 46513)]