128398448

素因数分解:

$2^4\times {\mathrm{239}}^1\times {\mathrm{33577}}^1$

素因数の和:33824

約数の個数: 20

約数和(自身を含む): 249820320

約数和(自身を除く): 121421872

約数列:

[1, 2, 4, 8, 16, 239, 478, 956, 1912, 3824, 33577, 67154, 134308, 268616, 537232, 8024903, 16049806, 32099612, 64199224, 128398448]

約数ペア:

[(1, 128398448), (2, 64199224), (4, 32099612), (8, 16049806), (16, 8024903), (239, 537232), (478, 268616), (956, 134308), (1912, 67154), (3824, 33577)]