133872128

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{20113}}^1$

素因数の和:20144

約数の個数: 40

約数和(自身を含む): 288072708

約数和(自身を除く): 154200580

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 3328, 6656, 20113, 40226, 80452, 160904, 261469, 321808, 522938, 643616, 1045876, 1287232, 2091752, 2574464, 4183504, 5148928, 8367008, 10297856, 16734016, 33468032, 66936064, 133872128]

約数ペア:

[(1, 133872128), (2, 66936064), (4, 33468032), (8, 16734016), (13, 10297856), (16, 8367008), (26, 5148928), (32, 4183504), (52, 2574464), (64, 2091752), (104, 1287232), (128, 1045876), (208, 643616), (256, 522938), (416, 321808), (512, 261469), (832, 160904), (1664, 80452), (3328, 40226), (6656, 20113)]