81008828

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{4987}}^1$

素因数の和:5153

約数の個数: 24

約数和(自身を含む): 147485184

約数和(自身を除く): 66476356

約数列:

[1, 2, 4, 31, 62, 124, 131, 262, 524, 4061, 4987, 8122, 9974, 16244, 19948, 154597, 309194, 618388, 653297, 1306594, 2613188, 20252207, 40504414, 81008828]

約数ペア:

[(1, 81008828), (2, 40504414), (4, 20252207), (31, 2613188), (62, 1306594), (124, 653297), (131, 618388), (262, 309194), (524, 154597), (4061, 19948), (4987, 16244), (8122, 9974)]