1979744768

素因数分解:

$2^9\times {\mathrm{43}}^1\times {\mathrm{89923}}^1$

素因数の和:89984

約数の個数: 40

約数和(自身を含む): 4047659088

約数和(自身を除く): 2067914320

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 256, 344, 512, 688, 1376, 2752, 5504, 11008, 22016, 89923, 179846, 359692, 719384, 1438768, 2877536, 3866689, 5755072, 7733378, 11510144, 15466756, 23020288, 30933512, 46040576, 61867024, 123734048, 247468096, 494936192, 989872384, 1979744768]

約数ペア:

[(1, 1979744768), (2, 989872384), (4, 494936192), (8, 247468096), (16, 123734048), (32, 61867024), (43, 46040576), (64, 30933512), (86, 23020288), (128, 15466756), (172, 11510144), (256, 7733378), (344, 5755072), (512, 3866689), (688, 2877536), (1376, 1438768), (2752, 719384), (5504, 359692), (11008, 179846), (22016, 89923)]