257406463792

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{457}}^1\times {\mathrm{495821}}^1$

素因数の和:496357

約数の個数: 40

約数和(自身を含む): 506857014432

約数和(自身を除く): 249450550640

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 457, 568, 914, 1136, 1828, 3656, 7312, 32447, 64894, 129788, 259576, 495821, 519152, 991642, 1983284, 3966568, 7933136, 35203291, 70406582, 140813164, 226590197, 281626328, 453180394, 563252656, 906360788, 1812721576, 3625443152, 16087903987, 32175807974, 64351615948, 128703231896, 257406463792]

約数ペア:

[(1, 257406463792), (2, 128703231896), (4, 64351615948), (8, 32175807974), (16, 16087903987), (71, 3625443152), (142, 1812721576), (284, 906360788), (457, 563252656), (568, 453180394), (914, 281626328), (1136, 226590197), (1828, 140813164), (3656, 70406582), (7312, 35203291), (32447, 7933136), (64894, 3966568), (129788, 1983284), (259576, 991642), (495821, 519152)]