28686988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 57302784

約数和(自身を除く): 28615796

約数列:

[1, 2, 4, 11, 22, 37, 44, 67, 74, 134, 148, 263, 268, 407, 526, 737, 814, 1052, 1474, 1628, 2479, 2893, 2948, 4958, 5786, 9731, 9916, 11572, 17621, 19462, 27269, 35242, 38924, 54538, 70484, 107041, 109076, 193831, 214082, 387662, 428164, 651977, 775324, 1303954, 2607908, 7171747, 14343494, 28686988]

約数ペア:

[(1, 28686988), (2, 14343494), (4, 7171747), (11, 2607908), (22, 1303954), (37, 775324), (44, 651977), (67, 428164), (74, 387662), (134, 214082), (148, 193831), (263, 109076), (268, 107041), (407, 70484), (526, 54538), (737, 38924), (814, 35242), (1052, 27269), (1474, 19462), (1628, 17621), (2479, 11572), (2893, 9916), (2948, 9731), (4958, 5786)]