128511448

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{6827}}^1$

素因数の和:7027

約数の個数: 32

約数和(自身を含む): 260966160

約数和(自身を除く): 132454712

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 181, 362, 724, 1448, 2353, 4706, 6827, 9412, 13654, 18824, 27308, 54616, 88751, 177502, 355004, 710008, 1235687, 2471374, 4942748, 9885496, 16063931, 32127862, 64255724, 128511448]

約数ペア:

[(1, 128511448), (2, 64255724), (4, 32127862), (8, 16063931), (13, 9885496), (26, 4942748), (52, 2471374), (104, 1235687), (181, 710008), (362, 355004), (724, 177502), (1448, 88751), (2353, 54616), (4706, 27308), (6827, 18824), (9412, 13654)]