51688568

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 107075520

約数和(自身を除く): 55386952

約数列:

[1, 2, 4, 8, 17, 34, 53, 68, 71, 101, 106, 136, 142, 202, 212, 284, 404, 424, 568, 808, 901, 1207, 1717, 1802, 2414, 3434, 3604, 3763, 4828, 5353, 6868, 7171, 7208, 7526, 9656, 10706, 13736, 14342, 15052, 21412, 28684, 30104, 42824, 57368, 63971, 91001, 121907, 127942, 182002, 243814, 255884, 364004, 380063, 487628, 511768, 728008, 760126, 975256, 1520252, 3040504, 6461071, 12922142, 25844284, 51688568]

約数ペア:

[(1, 51688568), (2, 25844284), (4, 12922142), (8, 6461071), (17, 3040504), (34, 1520252), (53, 975256), (68, 760126), (71, 728008), (101, 511768), (106, 487628), (136, 380063), (142, 364004), (202, 255884), (212, 243814), (284, 182002), (404, 127942), (424, 121907), (568, 91001), (808, 63971), (901, 57368), (1207, 42824), (1717, 30104), (1802, 28684), (2414, 21412), (3434, 15052), (3604, 14342), (3763, 13736), (4828, 10706), (5353, 9656), (6868, 7526), (7171, 7208)]