189013895

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{1231}}^1$

素因数の和:1391

約数の個数: 32

約数和(自身を含む): 268240896

約数和(自身を除く): 79227001

約数列:

[1, 5, 7, 35, 41, 107, 205, 287, 535, 749, 1231, 1435, 3745, 4387, 6155, 8617, 21935, 30709, 43085, 50471, 131717, 153545, 252355, 353297, 658585, 922019, 1766485, 4610095, 5400397, 27001985, 37802779, 189013895]

約数ペア:

[(1, 189013895), (5, 37802779), (7, 27001985), (35, 5400397), (41, 4610095), (107, 1766485), (205, 922019), (287, 658585), (535, 353297), (749, 252355), (1231, 153545), (1435, 131717), (3745, 50471), (4387, 43085), (6155, 30709), (8617, 21935)]