128429672

素因数分解:

$2^3\times 7^1\times {\mathrm{251}}^1\times {\mathrm{9137}}^1$

素因数の和:9401

約数の個数: 32

約数和(自身を含む): 276333120

約数和(自身を除く): 147903448

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 251, 502, 1004, 1757, 2008, 3514, 7028, 9137, 14056, 18274, 36548, 63959, 73096, 127918, 255836, 511672, 2293387, 4586774, 9173548, 16053709, 18347096, 32107418, 64214836, 128429672]

約数ペア:

[(1, 128429672), (2, 64214836), (4, 32107418), (7, 18347096), (8, 16053709), (14, 9173548), (28, 4586774), (56, 2293387), (251, 511672), (502, 255836), (1004, 127918), (1757, 73096), (2008, 63959), (3514, 36548), (7028, 18274), (9137, 14056)]