27989728

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1103}}^1$

素因数の和:1187

約数の個数: 48

約数和(自身を含む): 60371136

約数和(自身を除く): 32381408

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 104, 122, 208, 244, 416, 488, 793, 976, 1103, 1586, 1952, 2206, 3172, 4412, 6344, 8824, 12688, 14339, 17648, 25376, 28678, 35296, 57356, 67283, 114712, 134566, 229424, 269132, 458848, 538264, 874679, 1076528, 1749358, 2153056, 3498716, 6997432, 13994864, 27989728]

約数ペア:

[(1, 27989728), (2, 13994864), (4, 6997432), (8, 3498716), (13, 2153056), (16, 1749358), (26, 1076528), (32, 874679), (52, 538264), (61, 458848), (104, 269132), (122, 229424), (208, 134566), (244, 114712), (416, 67283), (488, 57356), (793, 35296), (976, 28678), (1103, 25376), (1586, 17648), (1952, 14339), (2206, 12688), (3172, 8824), (4412, 6344)]