489937552

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{1091}}^1$

素因数の和:1256

約数の個数: 80

約数和(自身を含む): 1091930112

約数和(自身を除く): 601992560

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 127, 136, 208, 221, 254, 272, 442, 508, 884, 1016, 1091, 1651, 1768, 2032, 2159, 2182, 3302, 3536, 4318, 4364, 6604, 8636, 8728, 13208, 14183, 17272, 17456, 18547, 26416, 28067, 28366, 34544, 37094, 56134, 56732, 74188, 112268, 113464, 138557, 148376, 224536, 226928, 241111, 277114, 296752, 449072, 482222, 554228, 964444, 1108456, 1801241, 1928888, 2216912, 2355469, 3602482, 3857776, 4710938, 7204964, 9421876, 14409928, 18843752, 28819856, 30621097, 37687504, 61242194, 122484388, 244968776, 489937552]

約数ペア:

[(1, 489937552), (2, 244968776), (4, 122484388), (8, 61242194), (13, 37687504), (16, 30621097), (17, 28819856), (26, 18843752), (34, 14409928), (52, 9421876), (68, 7204964), (104, 4710938), (127, 3857776), (136, 3602482), (208, 2355469), (221, 2216912), (254, 1928888), (272, 1801241), (442, 1108456), (508, 964444), (884, 554228), (1016, 482222), (1091, 449072), (1651, 296752), (1768, 277114), (2032, 241111), (2159, 226928), (2182, 224536), (3302, 148376), (3536, 138557), (4318, 113464), (4364, 112268), (6604, 74188), (8636, 56732), (8728, 56134), (13208, 37094), (14183, 34544), (17272, 28366), (17456, 28067), (18547, 26416)]