1728503296

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{259691}}^1$

素因数の和:259722

約数の個数: 40

約数和(自身を含む): 3719308824

約数和(自身を除く): 1990805528

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 3328, 6656, 259691, 519382, 1038764, 2077528, 3375983, 4155056, 6751966, 8310112, 13503932, 16620224, 27007864, 33240448, 54015728, 66480896, 108031456, 132961792, 216062912, 432125824, 864251648, 1728503296]

約数ペア:

[(1, 1728503296), (2, 864251648), (4, 432125824), (8, 216062912), (13, 132961792), (16, 108031456), (26, 66480896), (32, 54015728), (52, 33240448), (64, 27007864), (104, 16620224), (128, 13503932), (208, 8310112), (256, 6751966), (416, 4155056), (512, 3375983), (832, 2077528), (1664, 1038764), (3328, 519382), (6656, 259691)]