1306256

素因数分解:

$2^4\times 7^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:231

約数の個数: 40

約数和(自身を含む): 2946240

約数和(自身を除く): 1639984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 107, 109, 112, 214, 218, 428, 436, 749, 763, 856, 872, 1498, 1526, 1712, 1744, 2996, 3052, 5992, 6104, 11663, 11984, 12208, 23326, 46652, 81641, 93304, 163282, 186608, 326564, 653128, 1306256]

約数ペア:

[(1, 1306256), (2, 653128), (4, 326564), (7, 186608), (8, 163282), (14, 93304), (16, 81641), (28, 46652), (56, 23326), (107, 12208), (109, 11984), (112, 11663), (214, 6104), (218, 5992), (428, 3052), (436, 2996), (749, 1744), (763, 1712), (856, 1526), (872, 1498)]