28646128

素因数分解:

$2^4\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1019}}^1$

素因数の和:1285

約数の個数: 40

約数和(自身を含む): 63745920

約数和(自身を除く): 35099792

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 251, 502, 1004, 1019, 1757, 2008, 2038, 3514, 4016, 4076, 7028, 7133, 8152, 14056, 14266, 16304, 28112, 28532, 57064, 114128, 255769, 511538, 1023076, 1790383, 2046152, 3580766, 4092304, 7161532, 14323064, 28646128]

約数ペア:

[(1, 28646128), (2, 14323064), (4, 7161532), (7, 4092304), (8, 3580766), (14, 2046152), (16, 1790383), (28, 1023076), (56, 511538), (112, 255769), (251, 114128), (502, 57064), (1004, 28532), (1019, 28112), (1757, 16304), (2008, 14266), (2038, 14056), (3514, 8152), (4016, 7133), (4076, 7028)]