128884496

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{5791}}^1$

素因数の和:5919

約数の個数: 40

約数和(自身を含む): 271482624

約数和(自身を除く): 142598128

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 107, 208, 214, 428, 856, 1391, 1712, 2782, 5564, 5791, 11128, 11582, 22256, 23164, 46328, 75283, 92656, 150566, 301132, 602264, 619637, 1204528, 1239274, 2478548, 4957096, 8055281, 9914192, 16110562, 32221124, 64442248, 128884496]

約数ペア:

[(1, 128884496), (2, 64442248), (4, 32221124), (8, 16110562), (13, 9914192), (16, 8055281), (26, 4957096), (52, 2478548), (104, 1239274), (107, 1204528), (208, 619637), (214, 602264), (428, 301132), (856, 150566), (1391, 92656), (1712, 75283), (2782, 46328), (5564, 23164), (5791, 22256), (11128, 11582)]