64632776

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{263}}^1$

素因数の和:438

約数の個数: 64

約数和(自身を含む): 139708800

約数和(自身を除く): 75076024

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 139, 221, 263, 278, 442, 526, 556, 884, 1052, 1112, 1768, 1807, 2104, 2363, 3419, 3614, 4471, 4726, 6838, 7228, 8942, 9452, 13676, 14456, 17884, 18904, 27352, 30719, 35768, 36557, 58123, 61438, 73114, 116246, 122876, 146228, 232492, 245752, 292456, 464984, 475241, 621469, 950482, 1242938, 1900964, 2485876, 3801928, 4971752, 8079097, 16158194, 32316388, 64632776]

約数ペア:

[(1, 64632776), (2, 32316388), (4, 16158194), (8, 8079097), (13, 4971752), (17, 3801928), (26, 2485876), (34, 1900964), (52, 1242938), (68, 950482), (104, 621469), (136, 475241), (139, 464984), (221, 292456), (263, 245752), (278, 232492), (442, 146228), (526, 122876), (556, 116246), (884, 73114), (1052, 61438), (1112, 58123), (1768, 36557), (1807, 35768), (2104, 30719), (2363, 27352), (3419, 18904), (3614, 17884), (4471, 14456), (4726, 13676), (6838, 9452), (7228, 8942)]