129684256

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{1213}}^1$

素因数の和:1493

約数の個数: 48

約数和(自身を含む): 276252984

約数和(自身を除く): 146568728

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 257, 416, 514, 1028, 1213, 2056, 2426, 3341, 4112, 4852, 6682, 8224, 9704, 13364, 15769, 19408, 26728, 31538, 38816, 53456, 63076, 106912, 126152, 252304, 311741, 504608, 623482, 1246964, 2493928, 4052633, 4987856, 8105266, 9975712, 16210532, 32421064, 64842128, 129684256]

約数ペア:

[(1, 129684256), (2, 64842128), (4, 32421064), (8, 16210532), (13, 9975712), (16, 8105266), (26, 4987856), (32, 4052633), (52, 2493928), (104, 1246964), (208, 623482), (257, 504608), (416, 311741), (514, 252304), (1028, 126152), (1213, 106912), (2056, 63076), (2426, 53456), (3341, 38816), (4112, 31538), (4852, 26728), (6682, 19408), (8224, 15769), (9704, 13364)]