208715648

素因数分解:

$2^7\times {\mathrm{61}}^1\times {\mathrm{26731}}^1$

素因数の和:26806

約数の個数: 32

約数和(自身を含む): 422632920

約数和(自身を除く): 213917272

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 488, 976, 1952, 3904, 7808, 26731, 53462, 106924, 213848, 427696, 855392, 1630591, 1710784, 3261182, 3421568, 6522364, 13044728, 26089456, 52178912, 104357824, 208715648]

約数ペア:

[(1, 208715648), (2, 104357824), (4, 52178912), (8, 26089456), (16, 13044728), (32, 6522364), (61, 3421568), (64, 3261182), (122, 1710784), (128, 1630591), (244, 855392), (488, 427696), (976, 213848), (1952, 106924), (3904, 53462), (7808, 26731)]