278322016

素因数分解:

$2^5\times 7^1\times {\mathrm{61}}^1\times {\mathrm{20369}}^1$

素因数の和:20447

約数の個数: 48

約数和(自身を含む): 636521760

約数和(自身を除く): 358199744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 112, 122, 224, 244, 427, 488, 854, 976, 1708, 1952, 3416, 6832, 13664, 20369, 40738, 81476, 142583, 162952, 285166, 325904, 570332, 651808, 1140664, 1242509, 2281328, 2485018, 4562656, 4970036, 8697563, 9940072, 17395126, 19880144, 34790252, 39760288, 69580504, 139161008, 278322016]

約数ペア:

[(1, 278322016), (2, 139161008), (4, 69580504), (7, 39760288), (8, 34790252), (14, 19880144), (16, 17395126), (28, 9940072), (32, 8697563), (56, 4970036), (61, 4562656), (112, 2485018), (122, 2281328), (224, 1242509), (244, 1140664), (427, 651808), (488, 570332), (854, 325904), (976, 285166), (1708, 162952), (1952, 142583), (3416, 81476), (6832, 40738), (13664, 20369)]