1278946784

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{7013}}^1$

素因数の和:7203

約数の個数: 48

約数和(自身を含む): 2598266160

約数和(自身を除く): 1319319376

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 139, 164, 278, 328, 556, 656, 1112, 1312, 2224, 4448, 5699, 7013, 11398, 14026, 22796, 28052, 45592, 56104, 91184, 112208, 182368, 224416, 287533, 575066, 974807, 1150132, 1949614, 2300264, 3899228, 4600528, 7798456, 9201056, 15596912, 31193824, 39967087, 79934174, 159868348, 319736696, 639473392, 1278946784]

約数ペア:

[(1, 1278946784), (2, 639473392), (4, 319736696), (8, 159868348), (16, 79934174), (32, 39967087), (41, 31193824), (82, 15596912), (139, 9201056), (164, 7798456), (278, 4600528), (328, 3899228), (556, 2300264), (656, 1949614), (1112, 1150132), (1312, 974807), (2224, 575066), (4448, 287533), (5699, 224416), (7013, 182368), (11398, 112208), (14026, 91184), (22796, 56104), (28052, 45592)]