128336872

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{769}}^1\times {\mathrm{907}}^1$

素因数の和:1705

約数の個数: 32

約数和(自身を含む): 251697600

約数和(自身を除く): 123360728

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 769, 907, 1538, 1814, 3076, 3628, 6152, 7256, 17687, 20861, 35374, 41722, 70748, 83444, 141496, 166888, 697483, 1394966, 2789932, 5579864, 16042109, 32084218, 64168436, 128336872]

約数ペア:

[(1, 128336872), (2, 64168436), (4, 32084218), (8, 16042109), (23, 5579864), (46, 2789932), (92, 1394966), (184, 697483), (769, 166888), (907, 141496), (1538, 83444), (1814, 70748), (3076, 41722), (3628, 35374), (6152, 20861), (7256, 17687)]