128449408

素因数分解:

$2^7\times {\mathrm{61}}^1\times {\mathrm{16451}}^1$

素因数の和:16526

約数の個数: 32

約数和(自身を含む): 260106120

約数和(自身を除く): 131656712

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 488, 976, 1952, 3904, 7808, 16451, 32902, 65804, 131608, 263216, 526432, 1003511, 1052864, 2007022, 2105728, 4014044, 8028088, 16056176, 32112352, 64224704, 128449408]

約数ペア:

[(1, 128449408), (2, 64224704), (4, 32112352), (8, 16056176), (16, 8028088), (32, 4014044), (61, 2105728), (64, 2007022), (122, 1052864), (128, 1003511), (244, 526432), (488, 263216), (976, 131608), (1952, 65804), (3904, 32902), (7808, 16451)]