25038728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{509}}^1$

素因数の和:582

約数の個数: 64

約数和(自身を含む): 56548800

約数和(自身を除く): 31510072

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 43, 44, 52, 86, 88, 104, 143, 172, 286, 344, 473, 509, 559, 572, 946, 1018, 1118, 1144, 1892, 2036, 2236, 3784, 4072, 4472, 5599, 6149, 6617, 11198, 12298, 13234, 21887, 22396, 24596, 26468, 43774, 44792, 49192, 52936, 72787, 87548, 145574, 175096, 240757, 284531, 291148, 481514, 569062, 582296, 963028, 1138124, 1926056, 2276248, 3129841, 6259682, 12519364, 25038728]

約数ペア:

[(1, 25038728), (2, 12519364), (4, 6259682), (8, 3129841), (11, 2276248), (13, 1926056), (22, 1138124), (26, 963028), (43, 582296), (44, 569062), (52, 481514), (86, 291148), (88, 284531), (104, 240757), (143, 175096), (172, 145574), (286, 87548), (344, 72787), (473, 52936), (509, 49192), (559, 44792), (572, 43774), (946, 26468), (1018, 24596), (1118, 22396), (1144, 21887), (1892, 13234), (2036, 12298), (2236, 11198), (3784, 6617), (4072, 6149), (4472, 5599)]