1990771091456

素因数分解:

$2^{11}\times 7^1\times {\mathrm{138865171}}^1$

素因数の和:138865200

約数の個数: 48

約数和(自身を含む): 4549223034720

約数和(自身を除く): 2558451943264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1792, 2048, 3584, 7168, 14336, 138865171, 277730342, 555460684, 972056197, 1110921368, 1944112394, 2221842736, 3888224788, 4443685472, 7776449576, 8887370944, 15552899152, 17774741888, 31105798304, 35549483776, 62211596608, 71098967552, 124423193216, 142197935104, 248846386432, 284395870208, 497692772864, 995385545728, 1990771091456]

約数ペア:

[(1, 1990771091456), (2, 995385545728), (4, 497692772864), (7, 284395870208), (8, 248846386432), (14, 142197935104), (16, 124423193216), (28, 71098967552), (32, 62211596608), (56, 35549483776), (64, 31105798304), (112, 17774741888), (128, 15552899152), (224, 8887370944), (256, 7776449576), (448, 4443685472), (512, 3888224788), (896, 2221842736), (1024, 1944112394), (1792, 1110921368), (2048, 972056197), (3584, 555460684), (7168, 277730342), (14336, 138865171)]