489191898

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{19417}}^1$

素因数の和:19471

約数の個数: 64

約数和(自身を含む): 1174400640

約数和(自身を除く): 685208742

約数列:

[1, 2, 3, 6, 13, 17, 19, 26, 34, 38, 39, 51, 57, 78, 102, 114, 221, 247, 323, 442, 494, 646, 663, 741, 969, 1326, 1482, 1938, 4199, 8398, 12597, 19417, 25194, 38834, 58251, 116502, 252421, 330089, 368923, 504842, 660178, 737846, 757263, 990267, 1106769, 1514526, 1980534, 2213538, 4291157, 4795999, 6271691, 8582314, 9591998, 12543382, 12873471, 14387997, 18815073, 25746942, 28775994, 37630146, 81531983, 163063966, 244595949, 489191898]

約数ペア:

[(1, 489191898), (2, 244595949), (3, 163063966), (6, 81531983), (13, 37630146), (17, 28775994), (19, 25746942), (26, 18815073), (34, 14387997), (38, 12873471), (39, 12543382), (51, 9591998), (57, 8582314), (78, 6271691), (102, 4795999), (114, 4291157), (221, 2213538), (247, 1980534), (323, 1514526), (442, 1106769), (494, 990267), (646, 757263), (663, 737846), (741, 660178), (969, 504842), (1326, 368923), (1482, 330089), (1938, 252421), (4199, 116502), (8398, 58251), (12597, 38834), (19417, 25194)]