257784996

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{3068869}}^1$

素因数の和:3068883

約数の個数: 24

約数和(自身を含む): 687426880

約数和(自身を除く): 429641884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 3068869, 6137738, 9206607, 12275476, 18413214, 21482083, 36826428, 42964166, 64446249, 85928332, 128892498, 257784996]

約数ペア:

[(1, 257784996), (2, 128892498), (3, 85928332), (4, 64446249), (6, 42964166), (7, 36826428), (12, 21482083), (14, 18413214), (21, 12275476), (28, 9206607), (42, 6137738), (84, 3068869)]