397339006

素因数分解:

$2^1\times {\mathrm{43}}^2\times {\mathrm{139}}^1\times {\mathrm{773}}^1$

素因数の和:1000

約数の個数: 24

約数和(自身を含む): 615376440

約数和(自身を除く): 218037434

約数列:

[1, 2, 43, 86, 139, 278, 773, 1546, 1849, 3698, 5977, 11954, 33239, 66478, 107447, 214894, 257011, 514022, 1429277, 2858554, 4620221, 9240442, 198669503, 397339006]

約数ペア:

[(1, 397339006), (2, 198669503), (43, 9240442), (86, 4620221), (139, 2858554), (278, 1429277), (773, 514022), (1546, 257011), (1849, 214894), (3698, 107447), (5977, 66478), (11954, 33239)]