289043456

素因数分解:

$2^{10}\times {\mathrm{13}}^1\times {\mathrm{21713}}^1$

素因数の和:21746

約数の個数: 44

約数和(自身を含む): 622279812

約数和(自身を除く): 333236356

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1024, 1664, 3328, 6656, 13312, 21713, 43426, 86852, 173704, 282269, 347408, 564538, 694816, 1129076, 1389632, 2258152, 2779264, 4516304, 5558528, 9032608, 11117056, 18065216, 22234112, 36130432, 72260864, 144521728, 289043456]

約数ペア:

[(1, 289043456), (2, 144521728), (4, 72260864), (8, 36130432), (13, 22234112), (16, 18065216), (26, 11117056), (32, 9032608), (52, 5558528), (64, 4516304), (104, 2779264), (128, 2258152), (208, 1389632), (256, 1129076), (416, 694816), (512, 564538), (832, 347408), (1024, 282269), (1664, 173704), (3328, 86852), (6656, 43426), (13312, 21713)]