16781296

素因数分解:

$2^4\times 7^1\times {\mathrm{269}}^1\times {\mathrm{557}}^1$

素因数の和:841

約数の個数: 40

約数和(自身を含む): 37363680

約数和(自身を除く): 20582384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 269, 538, 557, 1076, 1114, 1883, 2152, 2228, 3766, 3899, 4304, 4456, 7532, 7798, 8912, 15064, 15596, 30128, 31192, 62384, 149833, 299666, 599332, 1048831, 1198664, 2097662, 2397328, 4195324, 8390648, 16781296]

約数ペア:

[(1, 16781296), (2, 8390648), (4, 4195324), (7, 2397328), (8, 2097662), (14, 1198664), (16, 1048831), (28, 599332), (56, 299666), (112, 149833), (269, 62384), (538, 31192), (557, 30128), (1076, 15596), (1114, 15064), (1883, 8912), (2152, 7798), (2228, 7532), (3766, 4456), (3899, 4304)]