890907976

素因数分解:

$2^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1\times {\mathrm{601}}^1$

素因数の和:974

約数の個数: 64

約数和(自身を含む): 1938343680

約数和(自身を除く): 1047435704

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 103, 206, 257, 412, 514, 601, 721, 824, 1028, 1202, 1442, 1799, 2056, 2404, 2884, 3598, 4207, 4808, 5768, 7196, 8414, 14392, 16828, 26471, 33656, 52942, 61903, 105884, 123806, 154457, 185297, 211768, 247612, 308914, 370594, 433321, 495224, 617828, 741188, 866642, 1081199, 1235656, 1482376, 1733284, 2162398, 3466568, 4324796, 8649592, 15909071, 31818142, 63636284, 111363497, 127272568, 222726994, 445453988, 890907976]

約数ペア:

[(1, 890907976), (2, 445453988), (4, 222726994), (7, 127272568), (8, 111363497), (14, 63636284), (28, 31818142), (56, 15909071), (103, 8649592), (206, 4324796), (257, 3466568), (412, 2162398), (514, 1733284), (601, 1482376), (721, 1235656), (824, 1081199), (1028, 866642), (1202, 741188), (1442, 617828), (1799, 495224), (2056, 433321), (2404, 370594), (2884, 308914), (3598, 247612), (4207, 211768), (4808, 185297), (5768, 154457), (7196, 123806), (8414, 105884), (14392, 61903), (16828, 52942), (26471, 33656)]