1289744512

素因数分解:

$2^7\times 7^1\times {\mathrm{1439447}}^1$

素因数の和:1439468

約数の個数: 32

約数和(自身を含む): 2936473920

約数和(自身を除く): 1646729408

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 1439447, 2878894, 5757788, 10076129, 11515576, 20152258, 23031152, 40304516, 46062304, 80609032, 92124608, 161218064, 184249216, 322436128, 644872256, 1289744512]

約数ペア:

[(1, 1289744512), (2, 644872256), (4, 322436128), (7, 184249216), (8, 161218064), (14, 92124608), (16, 80609032), (28, 46062304), (32, 40304516), (56, 23031152), (64, 20152258), (112, 11515576), (128, 10076129), (224, 5757788), (448, 2878894), (896, 1439447)]