28712287

素因数分解:

${\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:382

約数の個数: 16

約数和(自身を含む): 31068160

約数和(自身を除く): 2355873

約数列:

[1, 19, 73, 127, 163, 1387, 2413, 3097, 9271, 11899, 20701, 176149, 226081, 393319, 1511173, 28712287]

約数ペア:

[(1, 28712287), (19, 1511173), (73, 393319), (127, 226081), (163, 176149), (1387, 20701), (2413, 11899), (3097, 9271)]