1977721216

素因数分解:

$2^7\times {\mathrm{127}}^1\times {\mathrm{121661}}^1$

素因数の和:121802

約数の個数: 32

約数和(自身を含む): 3971047680

約数和(自身を除く): 1993326464

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 508, 1016, 2032, 4064, 8128, 16256, 121661, 243322, 486644, 973288, 1946576, 3893152, 7786304, 15450947, 15572608, 30901894, 61803788, 123607576, 247215152, 494430304, 988860608, 1977721216]

約数ペア:

[(1, 1977721216), (2, 988860608), (4, 494430304), (8, 247215152), (16, 123607576), (32, 61803788), (64, 30901894), (127, 15572608), (128, 15450947), (254, 7786304), (508, 3893152), (1016, 1946576), (2032, 973288), (4064, 486644), (8128, 243322), (16256, 121661)]